chore: update Java and Python dependencies (#238)

PiperOrigin-RevId: 408420890

Source-Author: Google APIs <noreply@google.com>
Source-Date: Mon Nov 8 13:03:45 2021 -0800
Source-Repo: googleapis/googleapis
Source-Sha: 2921f9fb3bfbd16f6b2da0104373e2b47a80a65e
Source-Link: googleapis/googleapis@2921f9f

grpc-google-iam-v1/src/main/java/com/google/iam/v1/IAMPolicyGrpc.java

@@ -44,6 +44,7 @@
 @javax.annotation.Generated(
     value = "by gRPC proto compiler",
     comments = "Source: google/iam/v1/iam_policy.proto")
+@io.grpc.stub.annotations.GrpcGenerated
 public final class IAMPolicyGrpc {
 
   private IAMPolicyGrpc() {}

synth.metadata

@@ -4,15 +4,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-iam.git",
-        "sha": "2b1addef0c4708cfdd5b9d004d5238398e29baa4"
+        "sha": "744abaf723ee59e5749bde76be6520f2e9e843e9"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "d2977af9e9f1fc0c9dc8368352daa032471f3c63",
-        "internalRef": "403132955"
+        "sha": "2921f9fb3bfbd16f6b2da0104373e2b47a80a65e",
+        "internalRef": "408420890"
       }
     },
     {