chore: repin cubepi to main merge commit (94d0ca7)

cubeplexai/cubepi#199 merged; move the pin from the branch commit to
the mainline SHA (same code, rebase-merged).

Author: xfgong

backend/pyproject.toml

@@ -185,7 +185,7 @@ exclude_lines = [
 ]
 
 [tool.uv.sources]
-cubepi = { git = "https://github.com/cubeplexai/cubepi.git", rev = "9d4b11b6222891ed45fddf99bc984d5a4992f191" }
+cubepi = { git = "https://github.com/cubeplexai/cubepi.git", rev = "94d0ca7380502506042390ce73a02de1060387b0" }
 
 [dependency-groups]
 dev = [