Fetch all

Author: ldionne

.github/workflows/libcxx-build-and-test.yaml

@@ -291,7 +291,7 @@ jobs:
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
-          fetch-depth: 10
+          fetch-depth: 0
           fetch-tags: true # This job requires access to all the Git branches so it can diff against (usually) main
       - uses: actions/setup-python@v6
         with: