Fix cargo clippy issue

src/data/action_logger.rs

@@ -101,7 +101,7 @@ pub enum Action<'a> {
     },
 }
 
-impl<'a> Action<'a> {
+impl Action<'_> {
     pub fn as_string(&self) -> String {
         match self {
             Action::AdminDeleteUser(user) => {

src/data/session_identity.rs

@@ -30,7 +30,7 @@ pub struct SessionIdentityData {
 
 pub struct SessionIdentity<'a>(pub Option<&'a Identity>);
 
-impl<'a> SessionIdentity<'a> {
+impl SessionIdentity<'_> {
     fn get_session_data(&self) -> Option<SessionIdentityData> {
         if let Some(id) = self.0 {
             Self::deserialize_session_data(id.id().ok())