bump version to 2.1.0 (#1446)

Author: matthewbastien

package-lock.json

@@ -2,7 +2,7 @@
   "name": "swift-vscode",
   "displayName": "Swift",
   "description": "Swift Language Support for Visual Studio Code.",
-  "version": "2.0.1",
+  "version": "2.1.0",
   "publisher": "swiftlang",
   "icon": "icon.png",
   "repository": {
@@ -1636,7 +1636,7 @@
     "coverage": "npm test -- --coverage",
     "compile-tests": "del-cli ./assets/test/**/.build && npm run compile",
     "package": "vsce package",
-    "dev-package": "vsce package --no-update-package-json 2.0.1-dev",
+    "dev-package": "vsce package --no-update-package-json 2.1.0-dev",
     "preview-package": "vsce package --pre-release",
     "tag": "./scripts/tag_release.sh $npm_package_version",
     "contributors": "./scripts/generate_contributors_list.sh"