PSMDB-1884: fix fetching history for bazel run format

The `bazel run format` calls the `git merge-base HEAD origin/<base>`
command. Using the `tj-actions/changed-files@v45` action is not
reliable.

Author: plebioda

.github/workflows/format.yml

@@ -16,18 +16,12 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Setup environment
         uses: ./.github/actions/setup-env
 
-      - name: Get changed files
-        id: changed
-        uses: tj-actions/changed-files@v45
-
-      - name: List changed files
-        run: |
-          echo "Changed files: ${{ steps.changed.outputs.all_changed_files }}"
-
       - name: Run bazel format
         run: |
           # The --include_autogenerated_targets=True is needed to create the autogenerated targets.