Merge pull request scp-fs2open#7445 from scp-fs2open/dependabot/pip/ci/post/mako-1.3.12

Bump mako from 1.3.11 to 1.3.12 in /ci/post

Author: Goober5000

ci/post/requirements.txt

@@ -1,3 +1,3 @@
-Mako==1.3.11
+Mako==1.3.12
 requests==2.32.4
 semantic-version==2.8.5