build(deps): update aws dependencies (#4194)

Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>
Co-authored-by: Sanchith Hegde <sanchith.hegde@juspay.in>

crates/external_services/src/email.rs

@@ -193,4 +193,8 @@ pub enum EmailError {
     /// The expected feature is not implemented
     #[error("Feature not implemented")]
     NotImplemented,
+
+    /// An error occurred when building email content.
+    #[error("Error building email content")]
+    ContentBuildFailure,
 }