Bump bazel-contrib/setup-bazel from 0.15.0 to 0.16.0

Bumps [bazel-contrib/setup-bazel](https://github.com/bazel-contrib/setup-bazel) from 0.15.0 to 0.16.0.
- [Release notes](https://github.com/bazel-contrib/setup-bazel/releases)
- [Commits](bazel-contrib/setup-bazel@0.15.0...0.16.0)

---
updated-dependencies:
- dependency-name: bazel-contrib/setup-bazel
  dependency-version: 0.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/enzyme-bazel.yml

@@ -121,7 +121,7 @@ jobs:
           cmake ../enzyme -GNinja -DCMAKE_BUILD_TYPE=${{ matrix.build }} -DLLVM_DIR=${{ env.BASE_DIR }}/llvm-project/mlir-build
           ninja
 
-    - uses: bazel-contrib/setup-bazel@0.15.0
+    - uses: bazel-contrib/setup-bazel@0.16.0
       name: Set up Bazel
       with:
         # Avoid downloading Bazel every time.