add ci

.github/workflows/update-agent.yml

@@ -0,0 +1,25 @@
+# Github workflow for update-agent
+
+name: update-agent
+on:
+  pull_request:
+  workflow_dispatch:
+  workflow_call:
+    secrets:
+      GIT_HUB_TOKEN:
+        required: true
+      CACHIX_AUTH_TOKEN:
+        required: false
+  push:
+    branches:
+      - main
+      - prod
+    tags:
+      - '**'
+
+jobs:
+  test:
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gacts/install-podman@v1