Add permissions to ci jobs

Author: paustint

.github/workflows/ci.yml

@@ -1,5 +1,9 @@
 name: Build and test
 on: [push]
+
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest

.github/workflows/release.yml

@@ -12,6 +12,9 @@ on:
           - minor
           - patch
 
+permissions:
+  contents: write
+
 jobs:
   release:
     runs-on: ubuntu-latest