Update julia

[tianon]

Changes:

• docker-library/julia@a427b70: Update to 1.4.2
• docker-library/julia@0b06df9: Merge pull request Add initial GitHub Actions CI julia#44 from docker-library/github-actions
• docker-library/julia@33138c1: Add initial GitHub Actions CI

[github-actions]

Diff for 1d7d99d:

diff --git a/_bashbrew-cat b/_bashbrew-cat
index 3803220..bfd1300 100644
--- a/_bashbrew-cat
+++ b/_bashbrew-cat
@@ -26,22 +26,22 @@ GitCommit: fc3c116c6fe19f870091df6843ed63a37f6c291b
 Directory: 1.0/windows/windowsservercore-ltsc2016
 Constraints: windowsservercore-ltsc2016
 
-Tags: 1.4.1-buster, 1.4-buster, 1-buster, buster
-SharedTags: 1.4.1, 1.4, 1, latest
-Architectures: amd64, arm32v7, arm64v8, i386
-GitCommit: 35ec6b3efb79d22ae7812772d1defdf66bb8990e
+Tags: 1.4.2-buster, 1.4-buster, 1-buster, buster
+SharedTags: 1.4.2, 1.4, 1, latest
+Architectures: amd64, arm64v8, i386
+GitCommit: a427b70887e18776bf16b3f06bfc136a65392690
 Directory: 1.4/buster
 
-Tags: 1.4.1-windowsservercore-1809, 1.4-windowsservercore-1809, 1-windowsservercore-1809, windowsservercore-1809
-SharedTags: 1.4.1, 1.4, 1, latest
+Tags: 1.4.2-windowsservercore-1809, 1.4-windowsservercore-1809, 1-windowsservercore-1809, windowsservercore-1809
+SharedTags: 1.4.2, 1.4, 1, latest
 Architectures: windows-amd64
-GitCommit: 35ec6b3efb79d22ae7812772d1defdf66bb8990e
+GitCommit: a427b70887e18776bf16b3f06bfc136a65392690
 Directory: 1.4/windows/windowsservercore-1809
 Constraints: windowsservercore-1809
 
-Tags: 1.4.1-windowsservercore-ltsc2016, 1.4-windowsservercore-ltsc2016, 1-windowsservercore-ltsc2016, windowsservercore-ltsc2016
-SharedTags: 1.4.1, 1.4, 1, latest
+Tags: 1.4.2-windowsservercore-ltsc2016, 1.4-windowsservercore-ltsc2016, 1-windowsservercore-ltsc2016, windowsservercore-ltsc2016
+SharedTags: 1.4.2, 1.4, 1, latest
 Architectures: windows-amd64
-GitCommit: 35ec6b3efb79d22ae7812772d1defdf66bb8990e
+GitCommit: a427b70887e18776bf16b3f06bfc136a65392690
 Directory: 1.4/windows/windowsservercore-ltsc2016
 Constraints: windowsservercore-ltsc2016
diff --git a/_bashbrew-list b/_bashbrew-list
index 7aaff97..8c9837c 100644
--- a/_bashbrew-list
+++ b/_bashbrew-list
@@ -16,10 +16,10 @@ julia:1.4
 julia:1.4-buster
 julia:1.4-windowsservercore-1809
 julia:1.4-windowsservercore-ltsc2016
-julia:1.4.1
-julia:1.4.1-buster
-julia:1.4.1-windowsservercore-1809
-julia:1.4.1-windowsservercore-ltsc2016
+julia:1.4.2
+julia:1.4.2-buster
+julia:1.4.2-windowsservercore-1809
+julia:1.4.2-windowsservercore-ltsc2016
 julia:buster
 julia:latest
 julia:windowsservercore-1809
diff --git a/julia_buster/Dockerfile b/julia_buster/Dockerfile
index 712d7a7..837b9f0 100644
--- a/julia_buster/Dockerfile
+++ b/julia_buster/Dockerfile
@@ -17,7 +17,7 @@ ENV PATH $JULIA_PATH/bin:$PATH
 ENV JULIA_GPG 3673DF529D9049477F76B37566E3C7DC03D6E495
 
 # https://julialang.org/downloads/
-ENV JULIA_VERSION 1.4.1
+ENV JULIA_VERSION 1.4.2
 
 RUN set -eux; \
 	\
@@ -32,18 +32,16 @@ RUN set -eux; \
 	fi; \
 	\
 # https://julialang.org/downloads/#julia-command-line-version
-# https://julialang-s3.julialang.org/bin/checksums/julia-1.4.1.sha256
+# https://julialang-s3.julialang.org/bin/checksums/julia-1.4.2.sha256
 # this "case" statement is generated via "update.sh"
 	dpkgArch="$(dpkg --print-architecture)"; \
 	case "${dpkgArch##*-}" in \
 # amd64
-		amd64) tarArch='x86_64'; dirArch='x64'; sha256='fd6d8cadaed678174c3caefb92207a3b0e8da9f926af6703fb4d1e4e4f50610a' ;; \
-# arm32v7
-		armhf) tarArch='armv7l'; dirArch='armv7l'; sha256='bdcf24e0365f16092838daf7059bf5c0036bff9dc418511010e79249d9f71e96' ;; \
+		amd64) tarArch='x86_64'; dirArch='x64'; sha256='d77311be23260710e89700d0b1113eecf421d6cf31a9cebad3f6bdd606165c28' ;; \
 # arm64v8
-		arm64) tarArch='aarch64'; dirArch='aarch64'; sha256='788dc1e79344b52f65358ce4406dc5304bafd82c6af50bfa92a6ee5ea998e678' ;; \
+		arm64) tarArch='aarch64'; dirArch='aarch64'; sha256='f124d1b9fa68c3049d4ffe2349454f8ba1753d17d6578bc6e7cb916aed7cff4a' ;; \
 # i386
-		i386) tarArch='i686'; dirArch='x86'; sha256='765e614b2754b20d50bae475dd9f3b794f445915084afa42523fd1b14e4c91fe' ;; \
+		i386) tarArch='i686'; dirArch='x86'; sha256='ce821b6671a137dc7c2ccbf40ff08471a6791ea8af80a30d6716806608e72dab' ;; \
 		*) echo >&2 "error: current architecture ($dpkgArch) does not have a corresponding Julia binary release"; exit 1 ;; \
 	esac; \
 	\
diff --git a/julia_windowsservercore-1809/Dockerfile b/julia_windowsservercore-1809/Dockerfile
index 6d4e678..90d0097 100644
--- a/julia_windowsservercore-1809/Dockerfile
+++ b/julia_windowsservercore-1809/Dockerfile
@@ -3,8 +3,8 @@ FROM mcr.microsoft.com/windows/servercore:1809
 # $ProgressPreference: https://github.com/PowerShell/PowerShell/issues/2138#issuecomment-251261324
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ENV JULIA_VERSION 1.4.1
-ENV JULIA_SHA256 953090cf2a3690791df7550175a8969e8de15cbd84d815975b6495cc884deab6
+ENV JULIA_VERSION 1.4.2
+ENV JULIA_SHA256 9775aa53f711167522ff4681f055d2ed8dc8682c99c28eb88c324ac766d0aebd
 
 RUN $url = ('https://julialang-s3.julialang.org/bin/winnt/x64/{1}/julia-{0}-win64.exe' -f $env:JULIA_VERSION, ($env:JULIA_VERSION.Split('.')[0..1] -Join '.')); \
 	Write-Host ('Downloading {0} ...' -f $url); \
diff --git a/julia_windowsservercore-ltsc2016/Dockerfile b/julia_windowsservercore-ltsc2016/Dockerfile
index f936788..45354ed 100644
--- a/julia_windowsservercore-ltsc2016/Dockerfile
+++ b/julia_windowsservercore-ltsc2016/Dockerfile
@@ -3,8 +3,8 @@ FROM mcr.microsoft.com/windows/servercore:ltsc2016
 # $ProgressPreference: https://github.com/PowerShell/PowerShell/issues/2138#issuecomment-251261324
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ENV JULIA_VERSION 1.4.1
-ENV JULIA_SHA256 953090cf2a3690791df7550175a8969e8de15cbd84d815975b6495cc884deab6
+ENV JULIA_VERSION 1.4.2
+ENV JULIA_SHA256 9775aa53f711167522ff4681f055d2ed8dc8682c99c28eb88c324ac766d0aebd
 
 RUN $url = ('https://julialang-s3.julialang.org/bin/winnt/x64/{1}/julia-{0}-win64.exe' -f $env:JULIA_VERSION, ($env:JULIA_VERSION.Split('.')[0..1] -Join '.')); \
 	Write-Host ('Downloading {0} ...' -f $url); \