Merge branch 'v2.1.x' into develop (#632)

Author: pskrbasu

.github/workflows/buildimage.yml

@@ -16,7 +16,7 @@ env:
 jobs:
   build-osx:
     name: Build for Darwin x86_64
-    runs-on: macos-13
+    runs-on: macos-15-intel
     steps:
       - name: Install PostgreSQL@14
         run: brew install --force postgresql@14

CHANGELOG.md

@@ -1,3 +1,7 @@
+## v2.1.5 [2026-02-06]
+_Bug fixes_
+- Fix memory leaks caused by unfreed `C.CString()` allocations across multiple functions. ([#618](https://github.com/turbot/steampipe-postgres-fdw/pull/618), [#620](https://github.com/turbot/steampipe-postgres-fdw/pull/620), [#622](https://github.com/turbot/steampipe-postgres-fdw/pull/622), [#624](https://github.com/turbot/steampipe-postgres-fdw/pull/624), [#631](https://github.com/turbot/steampipe-postgres-fdw/pull/631))
+
 ## v2.1.4 [2025-11-20]
 _Dependencies_
 - Upgraded dependencies to remediate vulnerabilities.