docs: update changelog and version for v1.12.2 (#5103)

docs/en/changelog.mdx

@@ -4,6 +4,29 @@ description: "Product updates, improvements, and bug fixes for CrewAI"
 icon: "clock"
 mode: "wide"
 ---
+<Update label="Mar 25, 2026">
+  ## v1.12.2
+
+  [View release on GitHub](https://github.com/crewAIInc/crewAI/releases/tag/1.12.2)
+
+  ## What's Changed
+
+  ### Features
+  - Add enterprise release phase to devtools release
+
+  ### Bug Fixes
+  - Preserve method return value as flow output for @human_feedback with emit
+
+  ### Documentation
+  - Update changelog and version for v1.12.1
+  - Revise security policy and reporting instructions
+
+  ## Contributors
+
+  @alex-clawd, @greysonlalonde, @joaomdmoura, @theCyberTech
+
+</Update>
+
 <Update label="Mar 25, 2026">
   ## v1.12.1