build(java): remove codecov action

.github/workflows/ci.yaml

@@ -19,10 +19,6 @@ jobs:
     - run: .kokoro/build.sh
       env:
         JOB_TYPE: test
-    - name: coverage
-      uses: codecov/codecov-action@v1
-      with:
-        name: actions ${{matrix.java}}
   windows:
     runs-on: windows-latest
     steps:
@@ -80,4 +76,4 @@ jobs:
     - run: java -version
     - run: .kokoro/build.sh
       env:
-        JOB_TYPE: clirr
+        JOB_TYPE: clirr

synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-bigqueryconnection.git",
-        "sha": "9a495fb43b6b81797004aca81598965c724f4f67"
+        "sha": "dee58d6802de4b9ffc4cb1793694c99e4861ea01"
       }
     },
     {
@@ -27,7 +27,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "046994f491c02806aea60118e214a9edd67f5ab7"
+        "sha": "4f4b1b9b8d8b52f1e9e4a76165896debce5ab7f1"
       }
     }
   ],