[CI] Update permissions (#60)

Author: testableapple

.github/workflows/release-merge.yml

@@ -8,7 +8,7 @@ on:
 
 permissions:
   contents: write
-  pull-requests: read
+  pull-requests: write
 
 jobs:
   merge-release-to-main:

.github/workflows/release-publish.yml

@@ -5,6 +5,7 @@ on:
 
 permissions:
   contents: write
+  pull-requests: write
 
 jobs:
   release:

.github/workflows/release-start.yml

@@ -10,6 +10,7 @@ on:
 
 permissions:
   contents: write
+  pull-requests: write
 
 jobs:
   test-release:

.github/workflows/update-copyright.yml

@@ -11,7 +11,8 @@ env:
   HOMEBREW_NO_INSTALL_CLEANUP: 1 # Disable cleanup for homebrew, we don't need it on CI
 
 permissions:
-  contents: read
+  contents: write
+  pull-requests: write
 
 jobs:
   copyright: