Add [Docker] support for loong64 arch (#10241)

* Add [Docker] support for loong64 arch

* Fix Docker version test

services/docker/docker-helpers.js

@@ -17,6 +17,7 @@ const archEnum = [
   'mips64',
   'mips64le',
   'riscv64',
+  'loong64',
 ]
 
 // Valid architecture values: https://golang.org/doc/install/source#environment (GOARCH)

services/docker/docker-version.tester.js

@@ -2,10 +2,12 @@ import { isSemver } from '../test-validators.js'
 import { createServiceTester } from '../tester.js'
 export const t = await createServiceTester()
 
-t.create('docker version (valid, library)').get('/_/alpine.json').expectBadge({
-  label: 'version',
-  message: isSemver,
-})
+t.create('docker version (valid, library)')
+  .get('/_/memcached.json')
+  .expectBadge({
+    label: 'version',
+    message: isSemver,
+  })
 
 t.create('docker version (valid, library with tag)')
   .get('/_/alpine/latest.json')