Give CompatHelper workflow explicit permissions

Author: abhro

.github/workflows/CompatHelper.yml

@@ -3,29 +3,32 @@ on:
   schedule:
     - cron: 59 14 * * *
   workflow_dispatch:
+permissions:
+  contents: write
+  pull-requests: write
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
       - name: "Add the General registry via Git"
+        shell: julia --color=yes {0}
         run: |
           import Pkg
           ENV["JULIA_PKG_SERVER"] = ""
           Pkg.Registry.add("General")
-        shell: julia --color=yes {0}
       - name: "Install CompatHelper"
+        shell: julia --color=yes {0}
         run: |
           import Pkg
           name = "CompatHelper"
           uuid = "aa819f21-2bde-4658-8897-bab36330d9b7"
           version = "3"
           Pkg.add(; name, uuid, version)
-        shell: julia --color=yes {0}
       - name: "Run CompatHelper"
+        shell: julia --color=yes {0}
         run: |
           import CompatHelper
           CompatHelper.main()
-        shell: julia --color=yes {0}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           COMPATHELPER_PRIV: ${{ secrets.DOCUMENTER_KEY }}