build: bump @types/merge2 from 0.3.30 to 1.3.0

Bumps [@types/merge2](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/merge2) from 0.3.30 to 1.3.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/merge2)

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

Author: dependabot[bot]

package.json

@@ -71,7 +71,7 @@
     "zone.js": "~0.11.3"
   },
   "devDependencies": {
-    "diff": "^3.5.0",
+    "diff": "^5.0.0",
     "reflect-metadata": "^0.1.3",
     "@material/animation": "11.0.0-canary.3201cae47.0",
     "@material/auto-init": "11.0.0-canary.3201cae47.0",
@@ -151,7 +151,7 @@
     "@types/inquirer": "^7.3.1",
     "@types/jasmine": "^3.6.0",
     "@types/marked": "^1.2.1",
-    "@types/merge2": "^0.3.30",
+    "@types/merge2": "^1.3.0",
     "@types/minimist": "^1.2.0",
     "@types/node": "^14.14.22",
     "@types/node-fetch": "^2.5.5",