upgrade abseil_version used in .podspec

Author: ehsannas

FirebaseFirestoreInternal.podspec

@@ -95,7 +95,7 @@ Google Cloud Firestore is a NoSQL document database built for automatic scaling,
   s.dependency 'FirebaseAppCheckInterop', '~> 11.0'
   s.dependency 'FirebaseCore', '~> 11.7.0'
 
-  abseil_version = '~> 1.20240116.1'
+  abseil_version = '~> 1.20240722.0'
   s.dependency 'abseil/algorithm', abseil_version
   s.dependency 'abseil/base', abseil_version
   s.dependency 'abseil/container/flat_hash_map', abseil_version