Bump json5 from 1.0.1 to 1.0.2 in /admin

Bumps [json5](https://github.com/json5/json5) from 1.0.1 to 1.0.2.
- [Release notes](https://github.com/json5/json5/releases)
- [Changelog](https://github.com/json5/json5/blob/main/CHANGELOG.md)
- [Commits](https://github.com/json5/json5/compare/v1.0.1...v1.0.2)

---
updated-dependencies:
- dependency-name: json5
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

admin/yarn.lock

@@ -3806,9 +3806,9 @@ json-to-pretty-yaml@^1.2.2:
     remove-trailing-spaces "^1.0.6"
 
 json5@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/json5/-/json5-1.0.1.tgz#779fb0018604fa854eacbf6252180d83543e3dbe"
-  integrity sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-1.0.2.tgz#63d98d60f21b313b77c4d6da18bfa69d80e1d593"
+  integrity sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==
   dependencies:
     minimist "^1.2.0"
 
@@ -4242,9 +4242,9 @@ minimatch@^3.0.4, minimatch@^3.1.2:
     brace-expansion "^1.1.7"
 
 minimist@^1.2.0, minimist@^1.2.6, minimist@~1.2.5:
-  version "1.2.6"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.6.tgz#8637a5b759ea0d6e98702cfb3a9283323c93af44"
-  integrity sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.7.tgz#daa1c4d91f507390437c6a8bc01078e7000c4d18"
+  integrity sha512-bzfL1YUZsP41gmu/qjrEk0Q6i2ix/cVeAhbCbqH9u3zYutS1cLg00qhrD0M2MVdCcx4Sc0UpP2eBWo9rotpq6g==
 
 mkdirp@^1.0.4:
   version "1.0.4"

cmd/hetty/hetty.go

@@ -221,12 +221,17 @@ func (cmd *HettyCommand) Exec(ctx context.Context, _ []string) error {
 		hostname, _ := os.Hostname()
 		host, _, _ := net.SplitHostPort(req.Host)
 
-		// Serve local admin routes when the `Host` is well-known, e.g. `[hostname]:[port]`,
-		// `hetty.proxy`, `localhost:[port]` or the listen addr `[host]:[port]`.
+		// Serve local admin routes when either:
+		// - The `Host` is well-known, e.g. `hetty.proxy`, `localhost:[port]`
+		//   or the listen addr `[host]:[port]`.
+		// - The request is not for TLS proxying (e.g. no `CONNECT`) and not
+		//   for proxying an external URL. E.g. Request-Line (RFC 7230, Section 3.1.1)
+		//   has no scheme.
 		return strings.EqualFold(host, hostname) ||
 			req.Host == "hetty.proxy" ||
 			req.Host == fmt.Sprintf("%v:%v", "localhost", listenPort) ||
-			req.Host == fmt.Sprintf("%v:%v", listenHost, listenPort)
+			req.Host == fmt.Sprintf("%v:%v", listenHost, listenPort) ||
+			req.Method != http.MethodConnect && !strings.HasPrefix(req.RequestURI, "http://")
 	}).Subrouter().StrictSlash(true)
 
 	// GraphQL server.