Pin Rust crate walkdir to =2.5.0 (#1587)

renovate[bot] · web-flow · commit 00b7b075db45 · 2025-04-17T19:46:45.000+02:00
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/front_matter/Cargo.toml b/front_matter/Cargo.toml
@@ -9,4 +9,4 @@ serde = { version = "=1.0.219", features = ["derive"] }
 toml = "=0.8.20"
 
 [dev-dependencies]
-walkdir = "2.5.0"
+walkdir = "=2.5.0"
