chore(main): release 2.1.6 (#2765)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "2.1.5"
+  ".": "2.1.6"
 }

CHANGELOG.md

@@ -2,6 +2,14 @@
 
 This file contains all the latest changes and updates to Postal.
 
+## [2.1.6](https://github.com/postalserver/postal/compare/2.1.5...2.1.6) (2024-01-30)
+
+
+### Miscellaneous Chores
+
+* **build:** fixes docker login action credentials ([8810856](https://github.com/postalserver/postal/commit/88108566f8ab33f1a4263a36a5c1ffc071645ac3))
+* update release please to include more categories in changelog ([e156c21](https://github.com/postalserver/postal/commit/e156c21dee304de7d10c2958c493cce73c2d8fea))
+
 ## [2.1.5](https://github.com/postalserver/postal/compare/2.1.4...2.1.5) (2024-01-30)