build(java): use code-suggester v1 tag rather than full semver (#153)

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Synth log will be available here:
https://source.cloud.google.com/results/invocations/2f00b5dd-1724-4895-ab0f-d5436bcf295b/targets

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Source-Link: googleapis/synthtool@7d65281

java-workflows/.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 }}

java-workflows/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-workflows.git",
-        "sha": "b0a638a76ba7dc898619b5e97675bae139a524d6"
+        "sha": "83ea8ab4e668a17ebb8d2e7c29cfdead06e3d407"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "7db8a6c5ffb12a6e4c2f799c18f00f7f3d60e279"
+        "sha": "7d652819519dfa24da9e14548232e4aaba71a11c"
       }
     }
   ],