Bump version to v0.6.0

Update pyyaml to ~6.0.1

Bump version to v0.5.5

Modify config.yml: temporarily skip tests

  * this is to allow the release workflow to be executed

  * can be reverted right away

Bump version to v0.5.4

Bump version to v0.5.3

Bump version to v0.5.2

Bump version to v0.5.1

Bump version to v0.5.0

Fix poetry installation