Fix Release Drafter: only run on push to master

Remove pull_request trigger that caused invalid target_commitish errors.

Author: guizmaii

.github/workflows/draft.yml

@@ -5,9 +5,6 @@ on:
     branches:
       - master
 
-  pull_request:
-    types: [opened, reopened, synchronize]
-
 permissions:
   contents: read
 
@@ -22,7 +19,5 @@ jobs:
       pull-requests: write
     steps:
       - uses: release-drafter/release-drafter@v7.1.1
-        with:
-          disable-releaser: ${{ github.event_name == 'pull_request' }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}