build(deps-dev): bump typescript in /tools/schematics

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.2.4 to 4.2.4.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.2.4...v4.2.4)

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

tools/schematics/package-lock.json

@@ -471,9 +471,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.2.4.tgz",
-      "integrity": "sha512-0RNDbSdEokBeEAkgNbxJ+BLwSManFy9TeXz8uW+48j/xhEXv1ePME60olyzw2XzUqUBNAYFeJadIqAgNqIACwg==",
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.4.tgz",
+      "integrity": "sha512-V+evlYHZnQkaz8TRBuxTA92yZBPotr5H+WhQ7bD3hZUndx5tGOa1fuCgeSjxAzM1RiN5IzvadIXTVefuuwZCRg==",
       "dev": true
     },
     "uri-js": {

tools/schematics/package.json

@@ -20,6 +20,6 @@
     "@types/jasmine": "^3.6.9",
     "@types/node": "^8.0.31",
     "jasmine": "^3.7.0",
-    "typescript": "~3.2.2"
+    "typescript": "~4.2.4"
   }
 }

tools/schematics/yarn.lock

@@ -370,10 +370,10 @@ tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
   integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
 
-typescript@~3.2.2:
-  version "3.2.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.2.4.tgz#c585cb952912263d915b462726ce244ba510ef3d"
-  integrity sha512-0RNDbSdEokBeEAkgNbxJ+BLwSManFy9TeXz8uW+48j/xhEXv1ePME60olyzw2XzUqUBNAYFeJadIqAgNqIACwg==
+typescript@~4.2.4:
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.2.4.tgz#8610b59747de028fda898a8aef0e103f156d0961"
+  integrity sha512-V+evlYHZnQkaz8TRBuxTA92yZBPotr5H+WhQ7bD3hZUndx5tGOa1fuCgeSjxAzM1RiN5IzvadIXTVefuuwZCRg==
 
 uri-js@^4.2.2:
   version "4.2.2"