update gha bumping go version matrix, trying to fix codecov (#215)

Author: basvanbeek

.github/workflows/ci.yml

@@ -16,10 +16,8 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, windows-latest, ubuntu-latest]
-        go: ["1.17"]
+        go: ["1.20"]
         include:
-          - os: ubuntu-latest
-            go: "1.17"
           - os: ubuntu-latest
             go: "1.18"
           - os: ubuntu-latest
@@ -48,8 +46,10 @@ jobs:
           CGO_ENABLED: 1
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with:
           name: zipkin-go test reports
-          fail_ci_if_error: true
+          fail_ci_if_error: false
           files: ./coverage.txt