NiFi API 2.7.0

What's Changed

• NIFI-15503 Update required maven version by @NissimShiman in #55
• NIFI-15502 Updated the checkstyle.xml to contain the same rules as Apache NIFI. by @dan-s1 in #56
• NIFI-15516 Upgrade Maven from 3.9.11 to 3.9.12 by @exceptionfactory in #58
• NIFI-15502 Fixed the typos and some of the grammar in the NIFI-API javadocs. by @dan-s1 in #59
• NIFI-15646 - NiFi API - Bump Apache POM to 37, JUnit to 6.0.3, and others by @pvillard31 in #71
• NIFI-15609 Removed unnecessary semicolons in enum declarations and ensured all variables in enums are final. by @dan-s1 in #68
• NIFI-15608 Corrected mismatch between javadoc and code for javadoc on method filter in interface FlowFileFilter. by @dan-s1 in #67
• NIFI-15574 Added the Javadoc snippet tag for the code examples in the Nifi API Javadocs. by @dan-s1 in #65
• NIFI-15660 - Bump net.sourceforge.pmd:pmd-core from 7.21.0 to 7.22.0 by @dependabot[bot] in #72
• NIFI-15258 Add API for Connectors by @markap14 in #70
• NIFI-15670 - Flow import/export with stateful components state by @pvillard31 in #73
• NIFI-15601 Improved the TIME_DURATION_REGEX in DurationFormat.java to accurately capture a positive decimal number with or without a leading integer. by @dan-s1 in #66
• NIFI-15258 - Update Asset to add default for getOwnerIdentifier by @pvillard31 in #75
• NIFI-15670 - Replace List of Map with VersionedNodeState to fix JAXB compatibility by @pvillard31 in #76

Full Changelog: nifi-api-2.6.0...nifi-api-2.7.0