build: upgrade Java microgenerator to v2.2.1

Google APIs · copybara-github · commit 4381242ee4d8 · 2021-10-25T14:32:12.000-07:00
# v2.2.1 ## Bug Fixes - gax batching regression (#863) (3a6f168) # v2.2.0 ## Features - Add REST AIP-151 LRO suport (cb1b534) - enable self signed JWT for http (#850) (aba0ec0) - Implement DIREGAPIC LRO annotations (#832) (d7b29e0) - REGAPIC initial implementation (#824) (fdcfe70) - REGAPIC Multitransport implementation (grpc+rest) (#833) (445daf4) ## Bug Fixes - [bazel] fix rest transport handling in assembly rule (#835) (92f7c1c) - DIREGAPIC LRO generated tests logic (#838) (8ae8e6f) - fix diregapic-lro logic (#834) (957f69a) PiperOrigin-RevId: 405492216
diff --git a/WORKSPACE b/WORKSPACE
@@ -202,7 +202,7 @@ grpc_java_repositories()
 
 # Java microgenerator.
 # Must go AFTER java-gax, since both java gax and gapic-generator are written in java and may conflict.
-_gapic_generator_java_version = "2.1.0"
+_gapic_generator_java_version = "2.2.1"
 
 http_archive(
     name = "gapic_generator_java",
