docs: update changelog for v0.0.20

Signed-off-by: dmitriysafronov <dmitriysafronov@users.noreply.github.com>

CHANGELOG.md

+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+## [0.0.20] - 2024-08-06
+
+### 🐛 Bug Fixes
+
+- Dockerfile envs (#89)
+
+<!-- generated by git-cliff -->