release: prepare v5.0.0 (#232)

* release: prepare v4.1.0 changelog and version updates

* update major ver

* update ver in readme

CHANGELOG.md

@@ -1,5 +1,44 @@
 # Change Log
 
+## [5.0.0] - 2026-04-07
+
+### Features
+
+- #227 Migrate to ESM with esbuild, vitest
+
+### Runtime and platform
+
+- #222 Update Node version from 20 to 24
+
+### Dependabot updates
+
+- #231 Bump github/codeql-action in /.github/workflows in the actions group
+- #230 Bump typescript in the actions group across 1 directory
+- #228 Bump picomatch
+- #226 Bump github/codeql-action in /.github/workflows in the actions group
+- #223 Bump undici from 6.23.0 to 6.24.0
+- #221 Bump the actions group in /.github/workflows with 2 updates
+- #218 Bump the actions group in /.github/workflows with 2 updates
+- #219 Bump minimatch
+- #217 Bump undici and @actions/http-client
+- #216 Bump github/codeql-action in /.github/workflows in the actions group
+- #214 Bump the actions group in /.github/workflows with 2 updates
+- #212 Bump the actions group in /.github/workflows with 2 updates
+- #211 Bump the actions group with 3 updates
+- #210 Bump the actions group with 2 updates
+- #208 Bump @types/node from 25.0.2 to 25.0.3 in the actions group
+- #209 Bump github/codeql-action in /.github/workflows in the actions group
+- #206 Bump the actions group with 3 updates
+- #207 Bump github/codeql-action in /.github/workflows in the actions group
+- #205 Bump the actions group in /.github/workflows with 4 updates
+- #204 Bump the actions group with 2 updates
+- #202 Bump the actions group in /.github/workflows with 2 updates
+- #203 Bump prettier from 3.6.2 to 3.7.3 in the actions group
+- #201 Bump glob from 10.4.5 to 10.5.0
+- #200 Bump js-yaml from 3.14.1 to 3.14.2
+- #198 Bump js-yaml from 4.1.0 to 4.1.1
+- #199 Bump the actions group with 2 updates
+
 ## [4.0.2] - 2025-11-13
 
 - #[164](https://github.com/Azure/k8s-set-context/pull/164) Adding optional kubeconfig encoding variable