pkgs/by-name/{a,b,c,d}*: migrate to format = "pyproject"

pkgs/by-name/ba/bashplotlib/package.nix

@@ -7,7 +7,7 @@
 python3Packages.buildPythonApplication {
   pname = "bashplotlib";
   version = "2021-03-31";
-  format = "setuptools";
+  format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "glamp";
@@ -16,6 +16,10 @@ python3Packages.buildPythonApplication {
     sha256 = "sha256-0S6mgy6k7CcqsDR1kE5xcXGidF1t061e+M+ZuP2Gk3c=";
   };
 
+  build-system = with python3Packages; [
+    setuptools
+  ];
+
   # No tests
   doCheck = false;