Handle legacy Prysm token files (ethstaker#2017)

Eth Docker pinning would work with semver tags, or other tags (ethsta…

…ker#2006)

Version 2.14.0.2 (ethstaker#1982)

Version 2.14.0.1 (ethstaker#1977)

Version 2.14.0.0 (ethstaker#1971)

Version 2.13.0.0 (ethstaker#1960)

Version 2.12.3.0 (ethstaker#1935)

Adjust Erigon entrypoint to new tags (ethstaker#1925)

Version 2.12.1.0 (ethstaker#1900)

Version 2.12.0.0 (ethstaker#1893)