Update @contentstack/cli-cm-migrate-rte dependency version to ~1.7.0 in package.json

Author: harshitha-cstk

packages/contentstack/package.json

@@ -31,7 +31,7 @@
     "@contentstack/cli-cm-clone": "~1.21.4",
     "@contentstack/cli-cm-export-to-csv": "~1.12.2",
     "@contentstack/cli-cm-import-setup": "~1.8.3",
-    "@contentstack/cli-cm-migrate-rte": "~1.6.4",
+    "@contentstack/cli-cm-migrate-rte": "~1.7.0",
     "@contentstack/cli-cm-seed": "~1.15.3",
     "@contentstack/cli-command": "~1.8.2",
     "@contentstack/cli-config": "~1.20.3",