fix: Homepage link

Closes #34

Author: berkus

Cargo.toml

@@ -23,7 +23,7 @@ name = "criterion"
 description = "Statistics-driven micro-benchmarking library"
 categories = ["development-tools::profiling"]
 keywords = ["criterion", "benchmark"]
-homepage = "https://criterion-rs.github.io/criterion.rs/book/index.html"
+homepage = "https://criterion-rs.github.io/book/index.html"
 authors.workspace = true
 edition.workspace = true
 license.workspace = true