feat(gin): support http3 using quic-go/quic-go (#3210)

* experimental support http3

* remove go1.14 and go1.15

* update quic-go package path

* only support go1.19+

* remove go19 support

* update gomod

* chore: refine CI configuration and dependencies

- Remove dynamic Go versioning in favor of pinning to major version `1`
- Update linter version from `v1.56.2` to `v1.58.1` in GitHub Actions workflow

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

* chore: refactor CI workflow and improve tests

- Update the golangci-lint-action version from `v5` to `v6` in the GitHub workflow configuration

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

* chore: update dependencies and CI configurations

- Update Go version requirement from `1.20` to `1.21` in `go.mod`

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

* style: refactor codebase and update tests

- Add an empty line in the import section of `gin.go`

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

* chore: enhance code quality and consistency

- Add `gin.go` to the list of files with specific linters in `.golangci.yml`, applying the `gci` linter.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

---------

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
Co-authored-by: Bo-Yi Wu <appleboy.tw@gmail.com>

.github/workflows/gin.yml

@@ -22,12 +22,11 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: "go.mod"
-          check-latest: true
+          go-version: "^1"
       - name: Setup golangci-lint
-        uses: golangci/golangci-lint-action@v5
+        uses: golangci/golangci-lint-action@v6
         with:
-          version: v1.56.2
+          version: v1.58.1
           args: --verbose
   test:
     needs: lint