build(java): switch to release-please for release tagging (#509)

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Author: yoshi-automation

.github/release-please.yml

@@ -1,2 +1,3 @@
+bumpMinorPreMajor: true
+handleGHRelease: true
 releaseType: java-yoshi
-bumpMinorPreMajor: true

synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-speech.git",
-        "sha": "4530ef98a4d5dbe9def59fdd26c6e2ee37041763"
+        "sha": "0f3c7d34a008bd048aa82e96a449f88a0f362d7b"
       }
     },
     {