chore: enable context aware commits (#75)

Author: chingor13

synth.py

@@ -18,6 +18,8 @@
 import synthtool.gcp as gcp
 import synthtool.languages.java as java
 
+AUTOSYNTH_MULTIPLE_COMMITS = True
+
 gapic = gcp.GAPICGenerator()
 
 protobuf_header = "// Generated by the protocol buffer compiler.  DO NOT EDIT!"