[CI] Rename basic CI stage-a/b/c -> base-a/b/c for symmetry with extra CI - #25420

[CI] Rename basic CI stage-a/b/c -> base-a/b/c for symmetry with extra CI#25420

hnyls2002 merged 7 commits into

mainsgl-project/sglang:mainfrom

lsyin/cleanup-stale-deepep-suite-refssgl-project/sglang:lsyin/cleanup-stale-deepep-suite-refsCopy head branch name to clipboard