Update changelog and version after v4.38.3

CHANGELOG.md

@@ -4,7 +4,11 @@ See the [releases page](https://github.com/github/codeql-action/releases) for th
 
 ## [UNRELEASED]
 
-- _Upcoming breaking change_: CodeQL version 2.21.2 and earlier were discontinued on 24 September 2026 alongside GitHub Enterprise Server 3.17, and will be unsupported by the next minor release of the CodeQL Action. Added a deprecation warning for customers using these versions of CodeQL. [#4188](https://github.com/github/codeql-action/pull/4188)
+No user facing changes.
+
+## v4.38.3 - 06 Oct 2026
+
+This release rolls back 4.38.2 due to issues with that release. It is identical to 0.0.0.
 
 ## 4.38.2 - 24 Sept 2026
 
@@ -1290,3 +1294,4 @@ No user facing changes.
 - Add this changelog file. [#507](https://github.com/github/codeql-action/pull/507)
 - Improve grouping of analysis logs. Add a new log group containing a summary of metrics and diagnostics, if they were produced by CodeQL builtin queries. [#515](https://github.com/github/codeql-action/pull/515)
 - Add metrics and diagnostics summaries from custom query suites to the analysis summary log group. [#532](https://github.com/github/codeql-action/pull/532)
+

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "codeql",
-  "version": "4.38.3",
+  "version": "4.38.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "codeql",
-      "version": "4.38.3",
+      "version": "4.38.4",
       "license": "MIT",
       "workspaces": [
         "pr-checks"

package.json

@@ -1,6 +1,6 @@
 {
   "name": "codeql",
-  "version": "4.38.3",
+  "version": "4.38.4",
   "private": true,
   "description": "CodeQL action",
   "scripts": {