Bump diff from 4.0.2 to 5.0.0

Bumps [diff](https://github.com/kpdecker/jsdiff) from 4.0.2 to 5.0.0.
- [Release notes](https://github.com/kpdecker/jsdiff/releases)
- [Changelog](https://github.com/kpdecker/jsdiff/blob/master/release-notes.md)
- [Commits](kpdecker/jsdiff@v4.0.2...v5.0.0)

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

package.json

@@ -97,7 +97,7 @@
     "url": "git@github.com:SAP/ui5-migration.git"
   },
   "dependencies": {
-    "diff": "^4.0.2",
+    "diff": "^5.0.0",
     "esprima": "^4.0.1",
     "globals": "^13.6.0",
     "graceful-fs": "^4.2.4",
@@ -107,7 +107,7 @@
     "recast": "^0.20.4",
     "request": "^2.88.2",
     "semver": "^7.3.2",
-    "yargs": "^15.4.1"
+    "yargs": "^16.2.0"
   },
   "bin": {
     "ui5-migration": "./bin/cli.js"
@@ -121,7 +121,7 @@
     "@types/minimatch": "^3.0.3",
     "@types/mocha": "^8.2.1",
     "@types/node": "^14.14.27",
-    "@types/yargs": "^15.0.10",
+    "@types/yargs": "^16.0.0",
     "gts": "^1.1.2",
     "mocha": "^6.2.3",
     "mocha-junit-reporter": "^2.0.0",