test: add git push smoke test

Signed-off-by: Xe Iaso <me@xeiaso.net>

.github/workflows/smoke-tests.yml

@@ -32,3 +32,26 @@ jobs:
         run: |
           cd test/git-clone
           ./test.sh
+
+  git-push:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+        with:
+          node-version: latest
+
+      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+        with:
+          go-version: stable
+
+      - uses: ko-build/setup-ko@d006021bd0c28d1ce33a07e7943d48b079944c8d # v0.9
+
+      - name: Run test
+        run: |
+          cd test/git-push
+          ./test.sh