gh: update actions/checkout to v3

Author: xdelaruelle

.github/workflows/lint_tests.yaml

@@ -11,7 +11,7 @@ jobs:
   lint-all:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Install system packages

.github/workflows/linux_tests.yaml

@@ -16,7 +16,7 @@ jobs:
       EXTRA_SCRIPT_PRETEST: make install-testmodulerc install-testetcrc install-testmodspath-empty
       EXTRA_SCRIPT_POSTTEST: make uninstall-testconfig
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Install system packages
@@ -66,7 +66,7 @@ jobs:
       EXTRA_SCRIPT_PRETEST: make install-testinitrc install-testsiteconfig
       EXTRA_SCRIPT_POSTTEST: make uninstall-testconfig
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Install system packages
@@ -123,7 +123,7 @@ jobs:
       EXTRA_SCRIPT_PRETEST: make install-testinitrc-1 install-testetcrc install-testmodspath
       EXTRA_SCRIPT_POSTTEST: make uninstall-testconfig
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Install system packages
@@ -182,7 +182,7 @@ jobs:
       EXTRA_SCRIPT_PRETEST: make install-testsiteconfig-1 && export TESTSUITE_ENABLE_SITECONFIG=1
       EXTRA_SCRIPT_POSTTEST: unset TESTSUITE_ENABLE_SITECONFIG
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Install system packages
@@ -234,7 +234,7 @@ jobs:
       EXTRA_SCRIPT_PRETEST: make install-testsiteconfig-1 && export TESTSUITE_ENABLE_SITECONFIG=1
       EXTRA_SCRIPT_POSTTEST: unset TESTSUITE_ENABLE_SITECONFIG
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Install system packages

.github/workflows/windows_tests.yaml

@@ -21,7 +21,7 @@ jobs:
       - name: Configure Git autocrlf
         shell: bash
         run: git config --global core.autocrlf input
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Install system packages
@@ -68,7 +68,7 @@ jobs:
       - name: Configure Git autocrlf
         shell: bash
         run: git config --global core.autocrlf input
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Install system packages
@@ -115,7 +115,7 @@ jobs:
       - name: Configure Git autocrlf
         shell: bash
         run: git config --global core.autocrlf input
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Install system packages