ci: upgrade checkout action (#3761)

A CI run failed with the following message:"Please update the following
actions to use Node.js 16: actions/checkout@v2". We can accomplish the
node upgrade by just moving to the newest version of the action.

.github/workflows/ci_freebsd.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: macos-12
     name: CI FreeBSD
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Build and test in FreeBSD
         id: test
         uses: vmactions/[email protected]

.github/workflows/ci_linting.yml

@@ -14,7 +14,7 @@ jobs:
     env:
       CPPCHECK_INSTALL_DIR: test-deps/cppcheck
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Setup
         run: source ./codebuild/bin/s2n_setup_env.sh
@@ -37,7 +37,7 @@ jobs:
   copyright:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Setup
         run: source ./codebuild/bin/s2n_setup_env.sh
@@ -48,7 +48,7 @@ jobs:
   simple-mistakes:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Setup
         run: source ./codebuild/bin/s2n_setup_env.sh
@@ -59,7 +59,7 @@ jobs:
   comments:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Setup
         run: source ./codebuild/bin/s2n_setup_env.sh
@@ -75,7 +75,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: pep8 exp
         uses: harrisonkaiser/autopep8_action@python-latest
         with:

.github/workflows/ci_openbsd.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: macos-12
     name: CI OpenBSD
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Build and test in OpenBSD
         id: test
         uses: vmactions/[email protected]

.github/workflows/ci_rust.yml

@@ -20,7 +20,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macOS-latest]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - uses: actions-rs/toolchain@v1
         id: toolchain
@@ -54,7 +54,7 @@ jobs:
   rustfmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: true
 
@@ -82,7 +82,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: true
 

.github/workflows/dashboard.yml

@@ -18,9 +18,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Check out GitHub Pages branch
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           ref: 'gh-pages'
 

.github/workflows/gha_failure_monitor.yml

@@ -18,7 +18,7 @@ jobs:
           - {ORG: "dougch", REPO: "s2n"}
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python 3.x
         uses: actions/setup-python@v1
         with:

.github/workflows/gha_osx_tests.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Checkout Dependencies
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Prebuild
         run: |

.github/workflows/private_sync.yml

@@ -9,7 +9,7 @@ jobs:
     if: contains(github.repository, 'aws/s2n-tls')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           persist-credentials: false
           fetch-depth: 0