Bump Action version to 2.20.0 (#1729)

Author: angelapwen

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## [UNRELEASED]
 
-No user facing changes.
+- Bump the version of the Action to 2.20.0. This ensures that users who received a Dependabot upgrade to [`cdcdbb5`](https://github.com/github/codeql-action/commit/cdcdbb579706841c47f7063dda365e292e5cad7a), which was mistakenly marked as Action version 2.13.4, continue to receive updates to the CodeQL Action. Full details in [#1729](https://github.com/github/codeql-action/pull/1729)
 
 ## 2.3.6 - 01 Jun 2023
 

node_modules/.package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "codeql",
-  "version": "2.3.7",
+  "version": "2.20.0",
   "private": true,
   "description": "CodeQL action",
   "scripts": {