create unique patch branch name for each pull request branch

Previously, if there were multiple pull requests A and B active at the same time, a run of this action for B would overwrite the branch with the fixes from a previous run for A.

.github/workflows/update-generated-text.yml

@@ -47,4 +47,5 @@ jobs:
           
           This pull request was automatically created by the d365fo.tools-Generate-Text action'
         title: '🤖 Fix best practice deviations'
-        body: 'This pull request was automatically created by the d365fo.tools-Generate-Text action. See [Building tools](https://github.com/d365collaborative/d365fo.tools/wiki/Building-tools) for more information.'
+        body: 'This pull request was automatically created by the d365fo.tools-Generate-Text action. See [Building tools](https://github.com/d365collaborative/d365fo.tools/wiki/Building-tools) for more information.'
+        branch: 'update-generated-text/pull-request-patch-for-branch-${{ github.ref_name }}'