chore(deps-dev): bump angular and @types/angular

Bumps [angular](https://github.com/angular/angular.js) and [@types/angular](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/angular). These dependencies needed to be updated together.

Updates `angular` from 1.7.9 to 1.8.3
- [Release notes](https://github.com/angular/angular.js/releases)
- [Changelog](https://github.com/angular/angular.js/blob/master/CHANGELOG.md)
- [Commits](angular/angular.js@v1.7.9...v1.8.3)

Updates `@types/angular` from 1.6.57 to 1.8.4
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/angular)

---
updated-dependencies:
- dependency-name: angular
  dependency-type: direct:development
- dependency-name: "@types/angular"
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -64,7 +64,7 @@
     "@babel/preset-env": "^7.14.2",
     "@github/details-dialog-element": "^3.1.3",
     "@open-wc/testing": "^3.0.3",
-    "@types/angular": "1.6.57",
+    "@types/angular": "1.8.4",
     "@types/angular-sanitize": "^1.7.0",
     "@types/dat-gui": "0.6.3",
     "@types/dat.gui": "^0.7.5",
@@ -77,7 +77,7 @@
     "@web/dev-server-esbuild": "^0.2.16",
     "@web/dev-server-legacy": "^0.1.7",
     "@web/test-runner": "^0.13.22",
-    "angular": "1.7.9",
+    "angular": "1.8.3",
     "angular-animate": "1.7.9",
     "angular-sanitize": "^1.7.9",
     "angular-touch": "1.7.9",