Release Version 1.2.4

What's Changed

• Bump peter-evans/create-pull-request from 4.2.4 to 5.0.0 by @dependabot in #43
• Bump peter-evans/create-pull-request from 5.0.0 to 5.0.1 by @dependabot in #46
• TASK: Enhance Readme for environment specific configs by @sabbelasichon in #48
• TASK: Upgrade typo3 testing framework by @sabbelasichon in #49
• TASK: Make extension v12 compatible by @sabbelasichon in #50

Full Changelog: v1.2.3...v1.2.4