[chore] Release 4.3.0 (#462)

Author: hiranya911

.github/workflows/release.yml

@@ -134,7 +134,7 @@ jobs:
       uses: firebase/firebase-admin-node/.github/actions/send-tweet@master
       with:
         status: >
-          ${{ steps.preflight.outputs.version }} of @Firebase Admin Python SDK is avaialble.
+          ${{ steps.preflight.outputs.version }} of @Firebase Admin Python SDK is available.
           https://github.com/firebase/firebase-admin-python/releases/tag/${{ steps.preflight.outputs.version }}
         consumer-key: ${{ secrets.TWITTER_CONSUMER_KEY }}
         consumer-secret: ${{ secrets.TWITTER_CONSUMER_SECRET }}

firebase_admin/__about__.py

@@ -14,7 +14,7 @@
 
 """About information (version, etc) for Firebase Admin SDK."""
 
-__version__ = '4.2.0'
+__version__ = '4.3.0'
 __title__ = 'firebase_admin'
 __author__ = 'Firebase'
 __license__ = 'Apache License 2.0'