Swagger-core 3.0.0-M4 (Milestone) released!

• Fix javadoc copy path in prepare-javadocs.sh (#15)
• Update GitHub repository references to vpelikh/swagger-core (#14)
• Fix javadoc generation (#13)
• Fix release workflow to fetch tags and prevent re-releasing existing version (#12)
• Add missing json import in publishRelease.py (#11)
• Fix sed commands to correctly update version in Java source files (#10)
• Remove overly broad sed replacement for swagger-java17-support pom.xml (#9)
• Fix release notes for initial release with no previous stable tag (#8)
• Rework release process, drop 1.5 branch, update to new repo (#7)
• fix: polish jackson 3 migration (#6)
• chore: change group id to io.github.vpelikh and set version to 3.0.0-… (#5)
• feat: migrate to jackson 3 (#4)
• feat: migrate to java 17 (#3)
• skip swagger-jaxrs2 tests, because it fails in CI for some reason (#2)