multiple registries support

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

.github/workflows/ci.yml

@@ -286,3 +286,24 @@ jobs:
           registry: gcr.io
           username: _json_key
           password: ${{ secrets.GCR_JSON_KEY }}
+
+  multi:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        name: Login to registries
+        uses: ./
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+          add: |
+            - registry: ${{ secrets.GAR_LOCATION }}-docker.pkg.dev
+              username: _json_key
+              password: ${{ secrets.GAR_JSON_KEY }}
+            - registry: registry.gitlab.com
+              username: ${{ secrets.GITLAB_USERNAME }}
+              password: ${{ secrets.GITLAB_TOKEN }}