Upgrade csscolorparser to v0.8.3 (fixed MSRV)

Cargo.lock

@@ -894,9 +894,9 @@ dependencies = [
 
 [[package]]
 name = "csscolorparser"
-version = "0.8.1"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02ee6eae4d99456f92dc379ba21cf08f783ef5525f193c3854b4e921ece045c5"
+checksum = "199f851bd3cb5004c09474252c7f74e7c047441ed0979bf3688a7106a13da952"
 dependencies = [
  "num-traits",
  "phf",

niri-config/Cargo.toml

@@ -9,8 +9,7 @@ repository.workspace = true
 
 [dependencies]
 bitflags.workspace = true
-# 0.8.2 is incompatible with our MSRV 1.85.0
-csscolorparser = "=0.8.1"
+csscolorparser = "0.8.3"
 knuffel = "3.2.0"
 miette = { version = "5.10.0", features = ["fancy-no-backtrace"] }
 niri-ipc = { version = "25.11.0", path = "../niri-ipc" }