github-desktop: switch to `finalAttrs` pattern

pkgs/applications/version-management/github-desktop/default.nix

···
 , openssl
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "github-desktop";
   version = "3.2.1";
 
   src = fetchurl {
-    url = "https://github.com/shiftkey/desktop/releases/download/release-${version}-linux1/GitHubDesktop-linux-${version}-linux1.deb";
+    url = "https://github.com/shiftkey/desktop/releases/download/release-${finalAttrs.version}-linux1/GitHubDesktop-linux-${finalAttrs.version}-linux1.deb";
     hash = "sha256-OdvebRvOTyadgNjzrv6CGDPkljfpo4RVvVAc+X9hjSo=";
   };
 
···
   ];
 
   unpackPhase = ''
-    mkdir -p $TMP/${pname} $out/{opt,bin}
-    cp $src $TMP/${pname}.deb
-    ar vx ${pname}.deb
-    tar --no-overwrite-dir -xvf data.tar.xz -C $TMP/${pname}/
+    mkdir -p $TMP/${finalAttrs.pname} $out/{opt,bin}
+    cp $src $TMP/${finalAttrs.pname}.deb
+    ar vx ${finalAttrs.pname}.deb
+    tar --no-overwrite-dir -xvf data.tar.xz -C $TMP/${finalAttrs.pname}/
   '';
 
   installPhase = ''
-    cp -R $TMP/${pname}/usr/share $out/
-    cp -R $TMP/${pname}/usr/lib/${pname}/* $out/opt/
-    ln -sf $out/opt/${pname} $out/bin/${pname}
+    cp -R $TMP/${finalAttrs.pname}/usr/share $out/
+    cp -R $TMP/${finalAttrs.pname}/usr/lib/${finalAttrs.pname}/* $out/opt/
+    ln -sf $out/opt/${finalAttrs.pname} $out/bin/${finalAttrs.pname}
   '';
 
   preFixup = ''
···
     (lib.getLib systemd)
   ];
 
-  meta = with lib; {
+  meta = {
     description = "GUI for managing Git and GitHub.";
     homepage = "https://desktop.github.com/";
-    sourceProvenance = with sourceTypes; [ binaryNativeCode ];
-    license = licenses.mit;
-    maintainers = with maintainers; [ dan4ik605743 ];
-    platforms = platforms.linux;
+    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ dan4ik605743 ];
+    platforms = lib.platforms.linux;
   };
-}
+})