Bump react-router from 6.19.0 to 6.20.0 in /cmd/mdl/webapp (#576)

Bumps [react-router](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router) from 6.19.0 to 6.20.0.
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/packages/react-router/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/[email protected]/packages/react-router)

---
updated-dependencies:
- dependency-name: react-router
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

cmd/mdl/webapp/package.json

@@ -13,7 +13,7 @@
 		"react": "18.2.0",
 		"react-dom": "18.2.0",
 		"react-is": "18.2.0",
-		"react-router": "6.19.0",
+		"react-router": "6.20.0",
 		"react-router-dom": "6.20.0",
 		"styled-components": "^6.1.0",
 		"svg-editor-tools": "github:dvictor/svg-editor-tools#1.0.1",

cmd/mdl/webapp/yarn.lock

@@ -1115,10 +1115,6 @@
     schema-utils "^3.0.0"
     source-map "^0.7.3"
 
-"@remix-run/[email protected]":
-  version "1.12.0"
-  resolved "https://registry.yarnpkg.com/@remix-run/router/-/router-1.12.0.tgz#e89b64b6fa97a8a5b740a4c38c2904b80f1f229a"
-
 "@remix-run/[email protected]":
   version "1.13.0"
   resolved "https://registry.yarnpkg.com/@remix-run/router/-/router-1.13.0.tgz#7e29c4ee85176d9c08cb0f4456bff74d092c5065"
@@ -3980,12 +3976,6 @@ [email protected]:
     "@remix-run/router" "1.13.0"
     react-router "6.20.0"
 
-[email protected]:
-  version "6.19.0"
-  resolved "https://registry.yarnpkg.com/react-router/-/react-router-6.19.0.tgz#6d5062fa33495859daca98d86292ab03b037a9ca"
-  dependencies:
-    "@remix-run/router" "1.12.0"
-
 [email protected]:
   version "6.20.0"
   resolved "https://registry.yarnpkg.com/react-router/-/react-router-6.20.0.tgz#4275a3567ecc55f7703073158048db10096bb539"