[skip e2e] Move codecov as separate job (#20381)

Signed-off-by: Jenny Li <jing.li@zilliz.com>

Signed-off-by: Jenny Li <jing.li@zilliz.com>

.github/workflows/main.yaml

@@ -33,7 +33,7 @@ on:
       - '!build/ci/jenkins/**'
 
 jobs:
-  ubuntu:
+  UT:
     name: Build and test AMD64 Ubuntu ${{ matrix.ubuntu }}
     runs-on: ubuntu-${{ matrix.ubuntu }}
     timeout-minutes: 60
@@ -85,6 +85,34 @@ jobs:
           for container in $(docker ps --format "table {{.Names}}" | grep -v "NAMES"); do
               echo "restart count for ${container} is $(docker inspect ${container} --format '{{json .RestartCount}}')"
           done
+      - name: Archive code coverage results
+        uses: actions/upload-artifact@v3
+        with:
+          name: code-coverage-result
+          path: |
+            ./go_coverage.txt
+            ./lcov_output.info
+            *.info
+            *.out
+            codecov.yml
+            internal/**
+            cmd/**
+            configs/**
+            pkg/**
+            go.mod
+            go.sum
+  codecov:
+    name: Upload Code Coverage
+    needs: UT
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - name:  Download code coverage results
+        uses: actions/download-artifact@v3.0.1
+        with:
+          name: code-coverage-result
+      - name: Display structure of code coverage results
+        run: ls -lah
       - name: Upload coverage to Codecov
         if: "github.repository == 'milvus-io/milvus'"
         uses: codecov/codecov-action@v3.1.1
@@ -92,14 +120,6 @@ jobs:
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./go_coverage.txt,./lcov_output.info
-          name: ubuntu-${{ matrix.ubuntu }}-unittests
-          fail_ci_if_error: true
-      - name: Retry Upload coverage to Codecov
-        if: "${{ failure() }} && github.repository == 'milvus-io/milvus'"
-        uses: codecov/codecov-action@v3.1.1
-        id: retry_upload_cov
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-          files: ./go_coverage.txt,./lcov_output.info
-          name: ubuntu-${{ matrix.ubuntu }}-unittests
+          name: ubuntu-20.04-unittests
           fail_ci_if_error: true
+          verbose: true