build(java): update autorelease branch name check (#105)

This PR was generated using Autosynth. 🌈

Synth log will be available here:
https://source.cloud.google.com/results/invocations/60da91af-9648-4052-9caa-101541f2f1f9/targets

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Source-Link: googleapis/synthtool@140ba24

Author: yoshi-automation

.github/workflows/auto-release.yaml

@@ -17,7 +17,7 @@ jobs:
           }
 
           // only approve PRs like "chore: release <release version>"
-          if ( !context.payload.pull_request.title.startsWith("chore: release") ) {
+          if ( !context.payload.pull_request.title.startsWith("chore(master): release") ) {
             return;
           }
 

synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-video-transcoder.git",
-        "sha": "8caa6afb3c76bef13441992094a48a83766157d7"
+        "sha": "68c5a67edb5f9417f74e5c687f5049e21ca5f2a2"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "e935c9ecb47da0f2e054f5f1845f7cf7c95fa625"
+        "sha": "140ba24a136c63e7f10a998a63e7898aed63ea7d"
       }
     }
   ],