[tagpr] update CHANGELOG.md

CHANGELOG.md

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+# Changelog
+
+## [v0.2.1](https://github.com/Arthur1/otlc/compare/v0.2.0...v0.2.1) - 2024-07-06
+- Configure Renovate by @renovate in https://github.com/Arthur1/otlc/pull/1
+- use tagpr by @Arthur1 in https://github.com/Arthur1/otlc/pull/4
+- some fixes for CI and build by @Arthur1 in https://github.com/Arthur1/otlc/pull/6
+- Update opentelemetry-go monorepo to v1.28.0 by @renovate in https://github.com/Arthur1/otlc/pull/3
+- provides docker image by @Arthur1 in https://github.com/Arthur1/otlc/pull/7
+
+## [v0.2.0](https://github.com/Arthur1/otlc/compare/v0.1.1...v0.2.0) - 2024-06-24
+
+## [v0.1.1](https://github.com/Arthur1/otlc/commits/v0.1.1) - 2023-07-22