fix: upgraded commitlint to fix warnings (#760)

* fix: upgraded commitlint to fix warnings

* fix: update web examples to use WebTracerRegistry

closes #756

* Revert "fix: update web examples to use WebTracerRegistry"

This reverts commit 4dd8e67d00ebf264f59d6748e588de5b3e4d5b3b.

Co-authored-by: Mayur Kale <mayurkale@google.com>

package.json

@@ -38,8 +38,8 @@
   "author": "OpenTelemetry Authors",
   "license": "Apache-2.0",
   "devDependencies": {
-    "@commitlint/cli": "^8.2.0",
-    "@commitlint/config-conventional": "^8.2.0",
+    "@commitlint/cli": "^8.3.4",
+    "@commitlint/config-conventional": "^8.3.4",
     "beautify-benchmark": "^0.2.4",
     "benchmark": "^2.1.4",
     "eslint": "^6.8.0",