chore(deps): bump diff and @types/diff

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

Updates `diff` from 5.2.0 to 7.0.0
- [Changelog](https://github.com/kpdecker/jsdiff/blob/master/release-notes.md)
- [Commits](kpdecker/jsdiff@v5.2.0...7.0.0)

Updates `@types/diff` from 5.2.3 to 7.0.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/diff)

---
updated-dependencies:
- dependency-name: diff
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/diff"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/shadcn/package.json

@@ -62,7 +62,7 @@
     "commander": "^10.0.0",
     "cosmiconfig": "^8.1.3",
     "deepmerge": "^4.3.1",
-    "diff": "^5.1.0",
+    "diff": "^7.0.0",
     "execa": "^7.0.0",
     "fast-glob": "^3.3.2",
     "fs-extra": "^11.1.0",
@@ -81,7 +81,7 @@
   },
   "devDependencies": {
     "@types/babel__core": "^7.20.1",
-    "@types/diff": "^5.0.3",
+    "@types/diff": "^7.0.2",
     "@types/fs-extra": "^11.0.1",
     "@types/prompts": "^2.4.2",
     "@types/stringify-object": "^4.0.5",