Merge pull request #15801 from github/release-prep/2.16.4

Release preparation for version 2.16.4

Author: angelapwen

cpp/ql/lib/CHANGELOG.md

@@ -1,2 +1,2 @@
 ---
-lastReleaseVersion: 0.12.6
+lastReleaseVersion: 0.12.7

cpp/ql/lib/change-notes/2024-02-26-ir-named-destructors.md renamed to cpp/ql/lib/change-notes/released/0.12.7.md

@@ -1,5 +1,5 @@
 name: codeql/cpp-all
-version: 0.12.7-dev
+version: 0.12.7
 groups: cpp
 dbscheme: semmlecode.cpp.dbscheme
 extractor: cpp

cpp/ql/lib/codeql-pack.release.yml

@@ -1,2 +1,2 @@
 ---
-lastReleaseVersion: 0.9.5
+lastReleaseVersion: 0.9.6

cpp/ql/lib/qlpack.yml

@@ -1,5 +1,5 @@
 name: codeql/cpp-queries
-version: 0.9.6-dev
+version: 0.9.6
 groups:
  - cpp
  - queries