fix(deps): update rust crate cargo-spellcheck to 0.15.0

Author: renovate[bot]

.renovate/Cargo.toml

@@ -16,7 +16,7 @@ cargo-linked = "0.1.0"
 cargo-nextest = "0.9.67"
 cargo-outdated = "0.15.0"  
 cargo-sort = "1.0.9"
-cargo-spellcheck = "0.14.0"
+cargo-spellcheck = "0.15.0"
 cargo-tarpaulin = "0.31.0"
 cargo-tomlfmt = "0.1.3"
 cargo-udeps = "0.1.46"