Merge #215: update CHANGELOG.md

fd991c7 update CHANGELOG.md (Volodymyr Herashchenko)

Pull request description:

  This include changes in 0.4.1 and adds a change for 0.4.0

ACKs for top commit:
  KyrylR:
    ACK fd991c7

Tree-SHA512: 26f30cb458fa5ea8fea88bc54a3c68f4951876d12e4fbee9ef629852c532285a2ec3e3f91d2f6f3c318edaace914c09a587dc6c5db0472a5fd0e214cf3b0fa40

Author: KyrylR

CHANGELOG.md

@@ -1,6 +1,14 @@
+# 0.4.1 - 2026-01-22
+
+* vscode: fix icons and .json files [#214](https://github.com/BlockstreamResearch/SimplicityHL/pull/214)
+* Feat/vscode enhance -- [#199](https://github.com/BlockstreamResearch/SimplicityHL/pull/199)
+* Bug/jet trace [#198](https://github.com/BlockstreamResearch/SimplicityHL/pull/198)
+* `analyze_named_module`: make missing modules equivalent to empty ones [#187](https://github.com/BlockstreamResearch/SimplicityHL/pull/187)
+
 # 0.4.0 - 2025-12-18
 
 * Add `DefaultTracker` [#184](https://github.com/BlockstreamResearch/SimplicityHL/pull/184)
+* feature(simc): flag for json output [#180](https://github.com/BlockstreamResearch/SimplicityHL/pull/180)
 
 # 0.3.0 - 2025-11-04