v1.39_0-rc.2

What's Changed

• CI modifications by @ido-namely in #253
• Fix release tag filter by @ido-namely in #255
• Fix build step in release; ignore ci run when changes are irrelevant by @ido-namely in #257
• anchoring envoy validator version to fix build by @ido-namely in #264

Full Changelog: v1.37_2...v1.39_0-rc.2