Updated SageMath version to 8.9.beta3

Author: Release Manager

VERSION.txt

@@ -1 +1 @@
-SageMath version 8.9.beta2, Release Date: 2019-07-10
+SageMath version 8.9.beta3, Release Date: 2019-07-19

build/pkgs/configure/checksums.ini

@@ -1,4 +1,4 @@
 tarball=configure-VERSION.tar.gz
-sha1=26a2a0985ddc31a0834ca0b5525bbca3cd0688ea
-md5=4bebec8f7e008e2c99b28d8187837c14
-cksum=3649393931
+sha1=884916977f16b435feca568af4143d7b611ff296
+md5=cb3d4daa45edbf2bf0a6d36bb742404c
+cksum=2276007569

build/pkgs/configure/package-version.txt

@@ -1 +1 @@
-cd18186c4637ab0292966ba1bae00a5ee568be78
+0d04feb43bda005d57532404737fbb00bb094a96

src/bin/sage-version.sh

@@ -1,5 +1,5 @@
 # Sage version information for shell scripts
 # This file is auto-generated by the sage-update-version script, do not edit!
-SAGE_VERSION='8.9.beta2'
-SAGE_RELEASE_DATE='2019-07-10'
-SAGE_VERSION_BANNER='SageMath version 8.9.beta2, Release Date: 2019-07-10'
+SAGE_VERSION='8.9.beta3'
+SAGE_RELEASE_DATE='2019-07-19'
+SAGE_VERSION_BANNER='SageMath version 8.9.beta3, Release Date: 2019-07-19'

src/sage/version.py

@@ -1,5 +1,5 @@
 # Sage version information for Python scripts
 # This file is auto-generated by the sage-update-version script, do not edit!
-version = '8.9.beta2'
-date = '2019-07-10'
-banner = 'SageMath version 8.9.beta2, Release Date: 2019-07-10'
+version = '8.9.beta3'
+date = '2019-07-19'
+banner = 'SageMath version 8.9.beta3, Release Date: 2019-07-19'