CI: Add Linux loong64 build task (#2609)

* CI: add Linux loongarch64 build tasks

* Fix: rename goarch from loongarch64 to loong64

* chore: go mod tidy

* Chore: bump github.com/refraction-networking/utls from 1.3.2 to 1.3.3 (#2611)

Bumps [github.com/refraction-networking/utls](https://github.com/refraction-networking/utls) from 1.3.2 to 1.3.3.
- [Release notes](https://github.com/refraction-networking/utls/releases)
- [Commits](https://github.com/refraction-networking/utls/compare/v1.3.2...v1.3.3)

---
updated-dependencies:
- dependency-name: github.com/refraction-networking/utls
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* CI: add Linux loongarch64 build tasks

* Fix: rename goarch from loongarch64 to loong64

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/release.yml

@@ -74,6 +74,8 @@ jobs:
             goarch: arm64
           - goos: linux
             goarch: riscv64
+          - goos: linux
+            goarch: loong64
           - goos: windows
             goarch: arm64
           - goos: android

release/friendly-filenames.json

@@ -18,6 +18,7 @@
   "linux-mipsle": { "friendlyName": "linux-mips32le" },
   "linux-mips": { "friendlyName": "linux-mips32" },
   "linux-riscv64": { "friendlyName": "linux-riscv64" },
+  "linux-loong64": { "friendlyName": "linux-loong64" },
   "openbsd-386": { "friendlyName": "openbsd-32" },
   "openbsd-amd64": { "friendlyName": "openbsd-64" },
   "openbsd-arm6": { "friendlyName": "openbsd-arm32-v6" },

release/user-package.sh

@@ -95,7 +95,7 @@ PKGSUFFIX=
 
 for arg in "$@"; do
 	case $arg in
-	386 | arm* | mips* | ppc64* | riscv64 | s390x)
+	386 | arm* | mips* | ppc64* | riscv64 | loong64 | s390x)
 		GOARCH=$arg
 		;;
 	windows)