build(java): use code-suggester v1 tag rather than full semver (#450)

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Synth log will be available here:
https://source.cloud.google.com/results/invocations/504834f5-54e6-4374-8cc9-b1a27ff51dd7/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-asset.git",
-        "sha": "ff04d0f62c5fd42146ea30ef3de2c9d4baba13fe"
+        "sha": "940e57af3c41a469c5b27d87a088a9f8e56d3015"
       }
     },
     {
@@ -59,7 +59,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "7db8a6c5ffb12a6e4c2f799c18f00f7f3d60e279"
+        "sha": "7d652819519dfa24da9e14548232e4aaba71a11c"
       }
     }
   ],