.github: Use checkout@v3 for Bazel

ejona86 · ejona86 · commit 1638ce39f802 · 2023-08-03T07:28:22.000-07:00
The other jobs were swapped to v3 in 38311e8. Bazel was added later with the older version. This fixes the warning: ``` The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/ ```
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
@@ -79,7 +79,7 @@ jobs:
       USE_BAZEL_VERSION: 5.0.0
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Bazel cache
       uses: actions/cache@v3
