fix: use fetch-depth 1 for build-s3-artifacts checkout (full history not needed)

Author: dustinbyrne

.github/workflows/release.yml

@@ -351,7 +351,7 @@ jobs:
               uses: actions/checkout@v6
               with:
                   ref: ${{ needs.version-bump.outputs.commit-hash }}
-                  fetch-depth: 0
+                  fetch-depth: 1
 
             - name: Check posthog-js version
               id: check-version