[build] Adjust GitHub Actions permissions

Signed-off-by: Dariusz Jędrzejczyk <[email protected]>

Author: chemicL

.github/workflows/ci.yml

@@ -1,7 +1,7 @@
 name: CI
 on:
     pull_request: {}
-permissions: read-all
+permissions: {}
 jobs:
   build:
     name: build

.github/workflows/publish.yml

@@ -4,8 +4,7 @@ on:
     branches: # For branches, better to list them explicitly than regexp include
       - main
       - 1.3.x
-      - 1.2.x
-permissions: read-all
+permissions: {}
 jobs:
   # General job notes: we DON'T want to cancel any previous runs, especially in the case of a "back to snapshots" build right after a release push
   # We specify the ubuntu version to minimize the chances we have to deal with a migration during a release