[fractal/fractal-next] Enable optimization for deps

[Julian Sparber <jsparber src gnome org>]

commit 1c3d0aa5c38774f39f6dd3cdb030d077f3931b63
Author: Julian Sparber <julian sparber net>
Date:   Wed Sep 8 15:14:55 2021 +0200

    Enable optimization for deps

 Cargo.toml | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/Cargo.toml b/Cargo.toml
index 3016c8cd..85c48e07 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,6 +6,11 @@ edition = "2018"
 
 [profile.dev.package."*"]
 opt-level = 3
+debug = false
+debug-assertions = false
+overflow-checks = false
+incremental = false
+codegen-units = 16
 
 [dependencies]
 log = "0.4"