[TASK] Make validator resolver public API
[TASK] Make validator resolver public API

People should use it when validation is used in custom code instead of
creating validators using new; thus the ValidatorResolver must be marked
as public API.

Resolves: #37665
Releases: 1.1, 1.2
Change-Id: I5abb3d9dc35293499c48fa1dae2f7672b9d73dab
Original-Commit-Hash: 8182c526ce6ee0c40f5845b4ac1d8df26cf87465

chewbakartik/flow-development-collection,daniellienert/flow-development-collection,mkeitsch/flow-development-collection,gerhard-boden/flow-development-collection,fcool/flow-development-collection,chewbakartik/flow-development-collection,bwaidelich/flow-development-collection,bwaidelich/flow-development-collection,mkeitsch/flow-development-collection,dfeyer/flow-development-collection,neos/flow-development-collection,neos/flow-development-collection,kitsunet/flow-development-collection,albe/flow-development-collection,dlubitz/flow-development-collection,gerhard-boden/flow-development-collection,aertmann/flow-development-collection,fcool/flow-development-collection,dfeyer/flow-development-collection,aertmann/flow-development-collection,kdambekalns/flow-development-collection,robertlemke/flow-development-collection,fcool/flow-development-collection,aertmann/flow-development-collection,chewbakartik/flow-development-collection,fcool/flow-development-collection,albe/flow-development-collection,bwaidelich/flow-development-collection,dlubitz/flow-development-collection,gerhard-boden/flow-development-collection,robertlemke/flow-development-collection,dlubitz/flow-development-collection,kitsunet/flow-development-collection,albe/flow-development-collection,daniellienert/flow-development-collection,kitsunet/flow-development-collection,kdambekalns/flow-development-collection,kdambekalns/flow-development-collection,dfeyer/flow-development-collection,dfeyer/flow-development-collection,kdambekalns/flow-development-collection,robertlemke/flow-development-collection,neos/flow-development-collection,robertlemke/flow-development-collection,neos/flow-development-collection,mkeitsch/flow-development-collection,daniellienert/flow-development-collection