chore: update deprecated apis in docgen action

Author: narendasan

.github/workflows/docgen.yml

@@ -29,18 +29,18 @@ jobs:
           DEBIAN_FRONTEND=noninteractive apt install -y software-properties-common gcc git curl wget make zlib1g-dev bzip2 libbz2-dev lzma lzma-dev libreadline-dev libsqlite3-dev libssl-dev libffi-dev doxygen pandoc
           git config --global --add safe.directory '*'
       - name: Set up Python 3.9.4
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.9.4
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           ref: ${{github.head_ref}}
       - name: Get HEAD SHA
         id: vars
-        run: echo "::set-output name=sha::$(git rev-parse --short HEAD)"
+        run: echo "sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
       - name: Get Bazel version
         id: bazel_info
-        run: echo "::set-output name=version::$(cat .bazelversion)"
+        run: echo "version=$(cat .bazelversion)" >> $GITHUB_OUTPUT
       - name: Install Bazel
         run: |
           wget -q https://github.com/bazelbuild/bazel/releases/download/${{ steps.bazel_info.outputs.version }}/bazel-${{ steps.bazel_info.outputs.version }}-linux-x86_64 -O /usr/bin/bazel