chore(ci): fix release workflow permissions (#9822)

Author: TomAFrench

.github/workflows/publish-nargo.yml

@@ -17,9 +17,6 @@ on:
   merge_group:
   pull_request:
 
-permissions:
-  # Necessary to upload new release artifacts
-  contents: write
 
 jobs:
   build-apple-darwin:
@@ -33,7 +30,8 @@ jobs:
     timeout-minutes: 30
     permissions:
       id-token: write
-      contents: read
+      # Necessary to upload new release artifacts
+      contents: write
       attestations: write
 
     steps:
@@ -140,7 +138,8 @@ jobs:
     timeout-minutes: 30
     permissions:
       id-token: write
-      contents: read
+      # Necessary to upload new release artifacts
+      contents: write
       attestations: write
 
     steps: