ci: explicit permissions on actions (#326)

.github/workflows/check-dist.yml

@@ -16,6 +16,10 @@ on:
       - '**.md'
   workflow_dispatch:
 
+permissions:
+  contents: read
+  actions: write
+
 jobs:
   check-dist:
     runs-on: ubuntu-latest

.github/workflows/start.yml

@@ -14,6 +14,9 @@ defaults:
   run:
     shell: bash
 
+permissions:
+  contents: read
+
 jobs:
   e2e: # make sure the action works on a clean machine without building
     runs-on: ubuntu-latest

.github/workflows/test.yml

@@ -5,6 +5,9 @@ on: # rebuild any PRs and main branch changes
     branches:
       - main
 
+permissions:
+  contents: read
+
 defaults:
   run:
     shell: bash