feat(router): added dispute retrieve and dispute list apis (#842)

Co-authored-by: Sangamesh <sangamesh.kulkarni@juspay.in>
Co-authored-by: sai harsha <sai.harsha@sai.harsha-MacBookPro>
Co-authored-by: Arun Raj M <jarnura47@gmail.com>

crates/router_env/src/logger/types.rs

@@ -162,6 +162,10 @@ pub enum Flow {
     ApiKeyRevoke,
     /// API Key list flow
     ApiKeyList,
+    /// Dispute Retrieve flow
+    DisputesRetrieve,
+    /// Dispute List flow
+    DisputesList,
     /// Cards Info flow
     CardsInfo,
 }