feat: time to bring back http2.0 support (#10230)

Bonus move our CI/CD to go1.14

.github/workflows/go.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        go-version: [1.13.x]
+        go-version: [1.14.x]
         os: [ubuntu-latest, windows-latest]
     steps:
       - uses: actions/checkout@v2