ci(release): Scope shared workflow permissions to callers

Remove the top-level permissions block from the reusable release workflow so validate and publish entry workflows own the token scope they request. This avoids startup failures when low-privilege validation jobs call the shared pipeline.

Author: cameroncooke

.github/workflows/release-shared.yml

@@ -13,10 +13,6 @@ on:
 env:
   ARCHIVE_NAME: AXe-macOS
 
-permissions:
-  contents: write
-  actions: read
-
 jobs:
   build-and-release:
     runs-on: macos-latest