Rename section to clarify it's not just about warnings

byg/byg.cabal

@@ -9,12 +9,12 @@ maintainer:         ngws@metanohi.name
 build-type:         Simple
 extra-doc-files:    README.md
 
-common warnings
+common common
     ghc-options: -Wall
     default-language: GHC2024
 
 executable byg
-    import:           warnings
+    import:           common
     main-is:          Main.hs
     hs-source-dirs:   src
     build-depends:    base