chore: update CI/CD to remove deprecated set-output command (#150)

See https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

Signed-off-by: Harikrishnan Balagopal <harikrishmenon@gmail.com>

.github/workflows/build.yml

@@ -46,9 +46,9 @@ jobs:
         run: |
           BRANCH="${GITHUB_REF#refs/heads/}"
           if [ "$BRANCH" == 'main' ] ; then
-            echo "::set-output name=tag::latest"
+            echo "tag=latest" >> $GITHUB_OUTPUT
           else
-            echo "::set-output name=tag::$BRANCH"
+            echo "tag=$BRANCH" >> $GITHUB_OUTPUT
           fi
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2

.github/workflows/release.yml

@@ -53,7 +53,7 @@ jobs:
           ref: ${{ github.event.inputs.commit_ref }}
       - id: get_sha
         run: |
-          echo "::set-output name=sha::$(git rev-parse HEAD)"
+          echo "sha=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT
       - uses: actions/github-script@v3
         with:
           github-token: ${{ secrets.MOVE2KUBE_PATOKEN }}