Enable thin LTO

It compiles about half a second slower for me, so it seems fine to use
by default.

1 files changed, 3 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 22d29260..580cccd6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,3 +14,6 @@ members = [
 
 [profile.dev]
 split-debuginfo = "unpacked"
+
+[profile.release]
+lto = "thin"