Merge pull request #26 from scop/chore/ci-tightening

chore(ci): tighten permissions and credential storage

Author: scop

.github/workflows/check-tag.yml

@@ -5,11 +5,17 @@ on:
     tags:
       - "*"
 
+permissions: {}
+
 jobs:
   check:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Run checks
         run: |
           grep -P --color=always "\s+(?<=rev: )$GITHUB_REF_NAME$" README.md

.github/workflows/check.yml

@@ -6,11 +6,17 @@ on:
     branches:
       - main
 
+permissions: {}
+
 jobs:
   test:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       # No caching as we're expected to run rarely
       - name: Install dependencies and run checks
         run: |