Chore: make sure github action follow best practises (#172)

Author: gamab

.github/workflows/go.yml

@@ -3,6 +3,8 @@
 
 name: Go
 
+permissions: {}
+
 on:
   push:
     branches: ["main"]
@@ -14,6 +16,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
@@ -28,11 +32,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - uses: actions/setup-go@v5
         with:
           go-version-file: ./go.mod
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@55c2c1448f86e01eaae002a5a3a9624417608d84 #v6.5.2
         with:
           version: v1.62.0
           skip-cache: true
@@ -43,8 +49,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Install buf
-        uses: bufbuild/buf-setup-action@v1
+        uses: bufbuild/buf-setup-action@a47c93e0b1648d5651a065437926377d060baa99 #v1
       - name: Generate protobuf
         run: buf generate
       - name: Check for git diff