Update (dev) dependency float-cmp: 0.6 -> 0.8

Signed-off-by: Matthias Beyer <[email protected]>

Author: matthiasbeyer

Cargo.toml

@@ -33,5 +33,5 @@ rust-ini = { version = "0.16", optional = true }
 
 [dev-dependencies]
 serde_derive = "1.0.8"
-float-cmp = "0.6"
+float-cmp = "0.8"
 chrono = { version = "0.4", features = ["serde"] }