Update dependency com.amashchenko.maven.plugin:gitflow-maven-plugin to v1.20.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.amashchenko.maven.plugin:gitflow-maven-plugin	1.18.0 -> 1.20.0

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Release Notes

aleksandr-m/gitflow-maven-plugin

### [`v1.20.0`](https://togithub.com/aleksandr-m/gitflow-maven-plugin/blob/HEAD/CHANGELOG.md#v1200-2023-06-01) [Compare Source](https://togithub.com/aleksandr-m/gitflow-maven-plugin/compare/v1.19.0...v1.20.0) - Fixed creation of the release branch in `hotfix-finish` goal - [#​391](https://togithub.com/aleksandr-m/gitflow-maven-plugin/issues/391) - Improved console error logs - [#​383](https://togithub.com/aleksandr-m/gitflow-maven-plugin/issues/383) - Added option to skip merging into development branch in `release-finish` goal - [#​237](https://togithub.com/aleksandr-m/gitflow-maven-plugin/issues/237) - Added back merge to `release` goal - [#​375](https://togithub.com/aleksandr-m/gitflow-maven-plugin/pull/375) - Updated dependencies - [#​365](https://togithub.com/aleksandr-m/gitflow-maven-plugin/pull/365) ### [`v1.19.0`](https://togithub.com/aleksandr-m/gitflow-maven-plugin/blob/HEAD/CHANGELOG.md#v1190-2022-10-13) [Compare Source](https://togithub.com/aleksandr-m/gitflow-maven-plugin/compare/v1.18.0...v1.19.0) - Fixed snapshot checking with up-to-date project info - [#​345](https://togithub.com/aleksandr-m/gitflow-maven-plugin/issues/345) - Improved remote branch fetching comparing and checking out - Added ability to update git submodules before commit - [#​348](https://togithub.com/aleksandr-m/gitflow-maven-plugin/issues/348) - Added tag push on hotfix if it isn't pushed with the branch - [#​349](https://togithub.com/aleksandr-m/gitflow-maven-plugin/issues/349) - Added fetching of remote release branch on hotfix-finish goal - [#​318](https://togithub.com/aleksandr-m/gitflow-maven-plugin/issues/318) - Added more logs for verbose mode - [#​331](https://togithub.com/aleksandr-m/gitflow-maven-plugin/issues/331)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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