Fix CI

Author: cowtowncoder

.github/workflows/main.yml

@@ -1,13 +1,17 @@
 name: Build and Deploy Snapshot
 on:
   push:
+    branches: ['2.*']
     paths-ignore:
     - "README.md"
     - "release-notes/*"
   pull_request:
     paths-ignore:
     - "README.md"
     - "release-notes/*"
+permissions:
+  contents: read
+
 env:
   JODA_DEFAULT: '2.12.7'
   JODA_MIN: '2.9'