fix(ci): add missing permissions and set persist-credential: false for security

Signed-off-by: Mert Şişmanoğlu <mertssmnoglu@gmail.com>

Author: mertssmnoglu

.github/workflows/check.yml

@@ -5,11 +5,16 @@ on:
     branches: 
       - main
 
+permissions:
+  contents: read
+
 jobs:
   check:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
+        with:
+          persist-credentials: false
 
       - name: Set up Go
         uses: actions/setup-go@v6
@@ -25,6 +30,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
+        with:
+          persist-credentials: false
 
       - name: Set up Go
         uses: actions/setup-go@v6