Release 3.0.0-rc7

[cowtowncoder]

Jackson 3.0.0-rc7 is being released:

https://github.com/FasterXML/jackson/wiki/Jackson-Release-3.0

all other components have been successfully released and all except for Jakarta-RS providers are accessible via Sonatype Central Portal. Providers should get there within 10 minutes.

[pjfanning]

done

[cowtowncoder]

Thank you @pjfanning !