Prepare to release 0.3.1

Author: travitch

ChangeLog.md

@@ -1,3 +1,10 @@
+0.3.1 (2025-08-13)
+------------------
+
+- Update bounds for compatibility with ghc-9.10
+- Add `hasCycle` for detecting cycles in graphs (@kquick)
+- Optimize DFS algorithms by removing an unnecessary traversal (@kquick)
+
 0.3 (2023-08-20)
 ----------------
 

haggle.cabal

@@ -1,5 +1,5 @@
 name: haggle
-version: 0.3
+version: 0.3.1
 synopsis: A graph library offering mutable, immutable, and inductive graphs
 description: This library provides mutable (in ST or IO), immutable, and inductive graphs.
              There are multiple graphs implementations provided to support different use