feat: upgrade kepler to 2.4, tableau-extension-api to 1.4

Signed-off-by: Chris DeMartini <[email protected]>

Author: Chris DeMartini

package.json

@@ -33,7 +33,7 @@
     "@tableau/tableau-ui": "^2.1.0",
     "core-js": "^2.6.0",
     "gh-pages": "^2.0.1",
-    "kepler.gl": "2.1.0-alpha.3",
+    "kepler.gl": "2.4",
     "lodash.throttle": "^4.1.1",
     "react": "^16.8.4",
     "react-beautiful-dnd": "^9.0.2",