build(java): use code-suggester v1 tag rather than full semver (#263)

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Synth log will be available here:
https://source.cloud.google.com/results/invocations/49949b8a-f35a-44c8-9095-1d8878c77c79/targets

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Source-Link: googleapis/synthtool@7d65281

.github/workflows/formatting.yaml

@@ -18,7 +18,7 @@ jobs:
         with:
           java-version: 11
       - run: "mvn com.coveo:fmt-maven-plugin:format"
-      - uses: googleapis/code-suggester@v1.8.0
+      - uses: googleapis/code-suggester@v1
         with:
           command: review
           pull_number: ${{ github.event.pull_request.number }}

synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-redis.git",
-        "sha": "7ec11e15ba87719e6e568ba0617fb6c3d717064c"
+        "sha": "394af4cf5c66c5a984e990ffd7505b961cc9425f"
       }
     },
     {
@@ -27,7 +27,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "7db8a6c5ffb12a6e4c2f799c18f00f7f3d60e279"
+        "sha": "7d652819519dfa24da9e14548232e4aaba71a11c"
       }
     }
   ],