Fix typings pipeline + cleanup (#19163)

build/azure-pipelines/publish-types/publish-types.yml

@@ -55,13 +55,13 @@ steps:
       git reset --hard upstream/master
       git push --force
 
-      # Update the type
+      # Update and format the typings file
       cd ..
       node build/azure-pipelines/publish-types/update-types.js
-
-      cd DefinitelyTyped
       TAG_VERSION=$(git describe --tags `git rev-list --tags --max-count=1`)
 
+      # Create and push the branch
+      cd DefinitelyTyped
       git diff --color | cat
       git add -A
       git status