[RESULT][VOTE] PIP 198: Standardize PR Naming Convention using GitHub Actions

[Yu]

Hi team, Thanks for all your suggestions! I'll move PIP 198 forward since
we get 3 binding votes (Penghui, Lari, Michael) [1].

[1] https://lists.apache.org/thread/m7hfgpdjthrk8ogz3mnkprs018tkkc0m

Yu