Update changelog for 2.10.5

Author: henrymercer

CHANGELOG.md

@@ -17,6 +17,16 @@
      you know what to do).
 -->
 
+## Release 2.10.5 (2022-09-13)
+
+- The bundled extractors are updated to match the versions currently
+  used on LGTM.com. These are newer than the last release (1.30) of
+  LGTM Enterprise. If you plan to upload databases to an LGTM
+  Enterprise 1.30 instance, you need to create them with release
+  2.7.6.
+
+- This release does not include any user-facing changes.
+
 ## Release 2.10.4 (2022-08-31)
 
 - The bundled extractors are updated to match the versions currently