Merge pull request NixOS#14490 from obsidiansystems/derivation-builder-no-inputs

`DerivationBuilderParams` have reference to `BasicDerivation`

Author: Ericson2314

src/libstore/include/nix/store/build/derivation-builder.hh

@@ -62,7 +62,7 @@ struct DerivationBuilderParams
     /**
      * The derivation stored at drvPath.
      */
-    const Derivation & drv;
+    const BasicDerivation & drv;
 
     /**
      * The derivation options of `drv`.