v2.9.8

Release version 2.9.8.

What's Changed

• Fix --version switch by @atextor in #671
• Remove reference to ESMF forum by @atextor in #673
• Fix generation of JSON sample payload by @atextor in #674
• Meta Class doesn't include exampleValue by @Yauhenikapl in #678
• Make all-in-one code generation more convenient by @atextor in #679

Full Changelog: v2.9.7...v2.9.8