chore(deps-dev): bump ts-morph from 19.0.0 to 21.0.1 (#4094)

Author: dependabot[bot]

package.json

@@ -148,7 +148,7 @@
     "sinon": "17.0.1",
     "sinon-chai": "3.7.0",
     "testcafe": "3.3.0",
-    "ts-morph": "19.0.0",
+    "ts-morph": "21.0.1",
     "ts-node": "10.9.2",
     "tsd-jsdoc": "2.5.0",
     "typedoc": "0.25.4",