Fix typos configuration (#6877)

- check hidden files
- fix a typos in a hidden file
- ignore "ba" typos in a more specific way
- ignore a typo in collab/migrations/ literally

Release Notes:

- N/A

.github/ISSUE_TEMPLATE/config.yml

@@ -5,6 +5,6 @@ contact_links:
     - name: Platform Support
       url: https://github.com/zed-industries/zed/issues/5391
       about: A quick note on platform support
-    - name: Postive Feedback
+    - name: Positive Feedback
       url: https://github.com/zed-industries/zed/discussions/5397
       about: A central location for kind words about Zed