change string representation for RecentFailures

Since this representation is used for routing (namely for pagination links), it must be consistent with the paths set in routing.

Author: Cerber-Ursi

src/web/releases.rs

@@ -319,7 +319,7 @@ impl ReleaseType {
         match self {
             Self::Recent => "recent",
             Self::Stars => "stars",
-            Self::RecentFailures => "recent_failures",
+            Self::RecentFailures => "recent-failures",
             Self::Failures => "failures",
             Self::Search => "search",
         }