fix(pkgs): Install additional evolution dependencies

Evolution depends on these packages in order to function correctly. It can
actually not even resize window panes (!) without dconf, which is a bit
ridiculous.

packages.nix

@@ -23,7 +23,9 @@ in {
     fish
     gcc
     git
+    gnome3.dconf
     gnome3.evolution
+    gnome3.glib_networking
     gnumake
     gnupg
     google-cloud-sdk
@@ -43,6 +45,7 @@ in {
     openssl
     pass
     pavucontrol
+    pkgconfig
     ripgrep
     rofi
     rofi-pass