[actions] improve default action permissions

.github/workflows/lint.yml

@@ -2,10 +2,11 @@ name: 'Tests: linting'
 
 on: [pull_request, push]
 
+permissions:
+  contents: read
+
 jobs:
   eclint:
-    permissions:
-      contents: read
     runs-on: ubuntu-latest
     steps:
       - uses: step-security/harden-runner@v2
@@ -23,8 +24,6 @@ jobs:
       - run: npm run eclint
 
   dockerfile_lint:
-    permissions:
-      contents: read
     runs-on: ubuntu-latest
     steps:
       - uses: step-security/harden-runner@v2
@@ -44,8 +43,6 @@ jobs:
       - run: npm run dockerfile_lint
 
   doctoc:
-    permissions:
-      contents: read
     runs-on: ubuntu-latest
     steps:
       - uses: step-security/harden-runner@v2
@@ -63,8 +60,6 @@ jobs:
       - run: npm run doctoc:check
 
   test_naming:
-    permissions:
-      contents: read
     runs-on: ubuntu-latest
     steps:
       - uses: step-security/harden-runner@v2