fix: use pinned step versions and set workflow permissions (#825)

* fix: use pinned step versions and set workflow permissions

* fix: use contents write in sponsors list action

.github/workflows/ci.yml

@@ -5,18 +5,21 @@ on:
       - main
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
   ci:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Setup bun
-        uses: oven-sh/setup-bun@v2
+        uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
 
       - name: Setup go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6
         with:
           go-version: "^1.26.0"
 
@@ -50,6 +53,6 @@ jobs:
         run: go test -coverprofile=coverage.txt -v ./...
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v6
+        uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}