[Reland] Update dockerfiles to do staged builds#23164

Merged

yxieca merged 10 commits intosonic-net:masterfrom

saiarcot895:reland-update-dockerfiles

Jul 25, 2025

Commits on May 28, 2025

Reapply "Update dockerfiles to do staged builds (#19952)" (#22647)
saiarcot895
committed

Commits on May 29, 2025

Commits on Jul 1, 2025

Merge remote-tracking branch 'origin/master' into reland-update-dockerfiles
saiarcot895
committed

Commits on Jul 10, 2025

Merge remote-tracking branch 'origin/master' into reland-update-dockerfiles
saiarcot895
committed

Commits on Jul 23, 2025

Update docker-stp and docker-gnmi-watchdog for new build pattern
saiarcot895
committed