Prepare for (pre) release: v5.6.0rc1 (#2369)

* Bump version: 5.6.0b3 → 5.6.0rc1

* Added Changelog for v5.6.0rc1

Prepare for (pre) release: v5.6.0b3 (#2359)

* Bump version: 5.6.0b2 → 5.6.0b3

* Added Changelog for v5.6.0b3

Prepare for (pre) release: v5.6.0b2 (#2349)

* Bump version: 5.6.0b1 → 5.6.0b2

* Added Changelog for v5.6.0b2

Prepare for (pre) release: v5.6.0b1 (#2343)

* Bump version: 5.5.4 → 5.6.0b1

* Added Changelog for v5.6.0b1

Prepare for release: v5.5.4 (#2309)

* Bump version: 5.5.3 → 5.5.4

* Added Changelog for v5.5.4

Prepare for release: v5.5.3 (#2288)

* Bump version: 5.5.2 → 5.5.3

* Added Changelog for v5.5.3

Prepare for release: v5.5.2 (#2278)

* Bump version: 5.5.1 → 5.5.2

* Added Changelog for v5.5.2

Prepare for release: v5.5.1 (#2270)

* Added Changelog for v5.5.1

* Bump version: 5.5.0 → 5.5.1

Prepare for release: v5.5.0 (#2255)

* Updated version and relevant maintainers in SECURITY.md

* Bump version: 5.5.0rc3 → 5.5.0

* Added Changelog for v5.5.0

Prepare for (pre) release: v5.5.0rc3 (#2247)

* Bump version: 5.5.0rc2 → 5.5.0rc3

* Added Changelog for v5.5.0rc3