chore: add changelog for v0.87.0 (#1351)

Co-authored-by: tomqin93 <4149598+tomqin93@users.noreply.github.com>

Author: github-actions[bot]

CHANGELOG/CHANGELOG-v0.87.0.md

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+# Changelog since [v0.86.0](https://github.com/Edgenesis/shifu/releases/tag/v0.86.0)
+
+## Enhancements ⚡
+
+- Streamline the release changelog workflow to improve automation and consistency
+
+## Dependabot Updates 🤖
+
+- Bump k8s.io/client-go from 0.34.2 to 0.34.3 by @dependabot[bot] in https://github.com/Edgenesis/shifu/pull/1348
+
+- Bump github.com/pion/dtls/v3 from 3.0.8 to 3.0.9 by @dependabot[bot] in https://github.com/Edgenesis/shifu/pull/1345
+
+- Bump golang.org/x/crypto from 0.45.0 to 0.46.0 by @dependabot[bot] in https://github.com/Edgenesis/shifu/pull/1344
+
+**Full Changelog**: https://github.com/Edgenesis/shifu/compare/v0.86.0...v0.87.0