Gitea Release v1.15.10 (#182)

Add blog post for v1.15.10

Reviewed-on: https://gitea.com/gitea/blog/pulls/182
Reviewed-by: khmarbaise <khmarbaise@noreply.gitea.io>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-committed-by: Andrew Thornton <art27@cantab.net>

content/post/release-of-1.15.10.md

@@ -0,0 +1,37 @@
+---
+date: "2022-01-14T19:16:06+00:00"
+author: "zeripath"
+title: "Gitea 1.15.10 is released"
+tags: ["release"]
+draft: false
+---
+
+We are proud to present the release of Gitea version 1.15.10.
+
+We highly encourage users to update to this version for some important bug-fixes and a security upgrade to the MermaidJS library.
+
+We have merged [8](https://github.com/go-gitea/gitea/pulls?q=is%3Apr+milestone%3A1.15.10+is%3Amerged) pull requests to release this version.
+
+<!-- Security Thanks! -->
+
+You can download one of our pre-built binaries from our [downloads page](https://dl.gitea.io/gitea/1.15.10/) - make sure to select the correct platform! For further details on how to install, follow our [installation guide](https://docs.gitea.io/en-us/install-from-binary/).
+
+We would also like to thank all of our supporters on [Open Collective](https://opencollective.com/gitea) who are helping to sustain us financially.
+
+**Have you heard? We now have a [swag shop](https://shop.gitea.io)! :shirt: :tea:**
+
+<!--more-->
+
+## Changelog
+
+## [1.15.10](https://github.com/go-gitea/gitea/releases/tag/v1.15.10) - 2022-01-14
+
+* BUGFIXES
+  * Fix inconsistent PR comment counts (#18260) (#18261)
+  * Fix release link broken (#18252) (#18253)
+  * Fix update user from site administration page bug (#18250) (#18251)
+  * Set HeadCommit when creating tags (#18116) (#18173)
+  * Use correct translation key for error messages due to max repo limits (#18135 & #18153) (#18152)
+  * Fix purple color in suggested label colors (#18241) (#18242)
+* SECURITY
+  * Bump mermaid from 8.10.1 to 8.13.8 (#18198) (#18206)