chore(deps): upgrade staticvec to 0.10.2

The feature `const_saturating_int_methods` used by `staticvec` 0.10.1
has been stabilized by <rust-lang/rust#73858>.

Author: yvt

Cargo.lock

@@ -14,7 +14,7 @@ repository = "https://github.com/yvt/Constance"
 num-integer = { version = "0.1.42", default-features = false }
 num-traits = { version = "0.2.11", default-features = false }
 pin-utils = { version = "0.1.0" }
-staticvec = { version = "0.10.1", default-features = false }
+staticvec = { version = "0.10.2", default-features = false }
 svgbobdoc = { version = "0.2.2" }
 tokenlock = { version = "0.3.0", default-features = false }
 bitflags = { version = "1.2.1" }