docs: add changelog for v1.1.7

Signed-off-by: cozystack-ci[bot] <274107086+cozystack-ci[bot]@users.noreply.github.com>

docs/changelogs/v1.1.7.md

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+# v1.1.7
+
+This changelog was autogenerated. Please verify required checklist in docs/agents/changelog.md (documentation checks, additional repos, and PR author attribution).
+
+## Features and Improvements
+
+* **[Backport release-1.1] fix(platform): migrate ACME HTTP-01 to ingressClassName API** ([**@myasnikovdaniil**](https://github.com/cozystack/cozystack/pull/2439) in #2439)
+
+## Documentation
+
+_Documentation changes from cozystack/website should be added here (MANDATORY step — check website repository for PRs and authors)._
+
+## Contributors
+
+* [**@myasnikovdaniil**](https://github.com/myasnikovdaniil)
+
+**Full Changelog**: https://github.com/cozystack/cozystack/compare/v1.1.6...v1.1.7