build(java): use actions/github-script v3 tag rather than full semver (…

…#155)

This PR was generated using Autosynth. 🌈

Synth log will be available here:
https://source.cloud.google.com/results/invocations/69520394-a5b9-4e55-8891-99c6efb547a7/targets

- [ ] To automatically regenerate this PR, check this box.

Source-Link: googleapis/synthtool@7fcc405

java-workflows/.github/workflows/approve-readme.yaml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository_owner == 'googleapis' && github.head_ref == 'autosynth-readme'
     steps:
-      - uses: actions/github-script@v3.0.0
+      - uses: actions/github-script@v3
         with:
           github-token: ${{secrets.YOSHI_APPROVER_TOKEN}}
           script: |

java-workflows/.github/workflows/auto-release.yaml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     if: contains(github.head_ref, 'release-v')
     steps:
-    - uses: actions/github-script@v3.0.0
+    - uses: actions/github-script@v3
       with:
         github-token: ${{secrets.YOSHI_APPROVER_TOKEN}}
         debug: true

java-workflows/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-workflows.git",
-        "sha": "83ea8ab4e668a17ebb8d2e7c29cfdead06e3d407"
+        "sha": "d2bb1559b77298e4656179ed0e33ff2d9d469e4a"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "7d652819519dfa24da9e14548232e4aaba71a11c"
+        "sha": "7fcc405a579d5d53a726ff3da1b7c8c08f0f2d58"
       }
     }
   ],