Use specific Jenkins nodes for releases

[marko-bekhta]

Use "Release" nodes for releases/snapshot publishing.

Related to:

• Use specific Jenkins nodes for releases hibernate-orm#9613
• Use specific Jenkins nodes for releases hibernate-search#4433

[marko-bekhta]

ohh ook 😃 it already has PRs opened here:

#2061
#2062

[DavideD]

Closed by #2061 and #2062

I've changed the commit messages to include the issue code.

Thanks @marko-bekhta for creating the issue.