fix(ci): update cache key in documentation build workflow to ensure unique identification for macOS binaries

Author: JakubAndrysek

.github/workflows/docs_build.yml

@@ -51,7 +51,7 @@ jobs:
         id: cache-restore
         uses: actions/cache/restore@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
         with:
-          key: docs-binaries-macos-
+          key: docs-binaries-macos-${{ github.run_id }}
           restore-keys: |
             docs-binaries-macos-
           path: docs_binaries