Update google-cloud-firestore to 3.0.21

Author: scala-steward

project/Dependencies.scala

@@ -33,7 +33,7 @@ object Dependencies {
   private val awsV1Version = "1.11.479"
   private val awsV2Version = "2.20.68"
   private val sttpVersion = "3.3.14"
-  private val firestoreConnectorVersion = "3.0.11"
+  private val firestoreConnectorVersion = "3.0.21"
   private val bigtableVersion = "2.45.0"
   private val pubsubVersion = "1.116.4"
   private val redisTestcontainersVersion = "2.0.1"