ci: update

- use actions/checkout@v4
- run on the main branch
- release tags only

.github/workflows/ci.yml

@@ -2,7 +2,10 @@ name: CI
 
 on:
   push:
+    branches:
+      - 'main'
     paths:
+      - '**.yml'
       - '**.lua'
     tags:
       - '[0-9]+.[0-9]+.[0-9]+'
@@ -14,7 +17,9 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+        with:
+          show-progress: false
 
       - name: Lint
         uses: nebularg/actions-luacheck@v1
@@ -24,11 +29,14 @@ jobs:
 
   release:
     runs-on: ubuntu-latest
+    if: github.ref_type == 'tag'
     needs: lint
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+        with:
+          show-progress: false
 
       - name: Package and Release
         uses: BigWigsMods/packager@v2