Add some go setup test

.forgejo/workflows/demo.yml

@@ -1,6 +1,16 @@
-on: [push]
+on:
+  push:
+    branches:
+      - main
 jobs:
   test:
     runs-on: docker
+    container:
+      image: alpine:latest
     steps:
-      - run: echo All Good
+      - run: echo ${{ inputs.logLevel }}
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '>=1.17.0'
+      - run: go version