[Release] Minor changelog nits (#11495)

Author: ncooke3

FirebaseAuth/CHANGELOG.md

@@ -1,5 +1,6 @@
 # 10.12.0
-- [added] Added support to Firebase Auth to enroll and sign in a user with TOTP second factor.(#11261)
+- [added] Added support to Firebase Auth to enroll and sign in a user with
+  TOTP second factor. (#11261)
 
 # 10.8.0
 - [added] Added Firebase App Check support to Firebase Auth. (#11056)

Firestore/CHANGELOG.md

@@ -2,7 +2,7 @@
 - [feature] Implemented an optimization in the local cache synchronization logic
   that reduces the number of billed document reads when documents were deleted
   on the server while the client was not actively listening to the query
-  (e.g. while the client was offline). (#INSERT_PR_NUMBER_HERE)
+  (e.g. while the client was offline). (#11457)
 
 # 10.11.0
 - [feature] Expose MultiDb API for public preview. (#10465)