Update Buildah build action to use v2 tag

Signed-off-by: divyansh42 <diagrawa@redhat.com>

.github/workflows/verify-push.yaml

@@ -67,7 +67,7 @@ jobs:
       # Build image using Buildah action
       - name: Build Image
         id: build_image
-        uses: redhat-actions/buildah-build@main
+        uses: redhat-actions/buildah-build@v2
         with:
           image: ${{ env.IMAGE_NAME }}
           tags: ${{ env.IMAGE_TAGS }}

src/generated/inputs-outputs.ts

@@ -8,6 +8,13 @@ export enum Inputs {
      * Default: None.
      */
     DIGESTFILE = "digestfile",
+    /**
+     * Extra args to be passed to podman push.
+     * Separate arguments by newline. Do not use quotes - @actions/exec will do the quoting for you.
+     * Required: false
+     * Default: None.
+     */
+    EXTRA_ARGS = "extra-args",
     /**
      * Name of the image to push
      * Required: true