fix new clippy warnings

cli/src/invocation/mod.rs

@@ -125,7 +125,7 @@ fn get_server(settings: &Settings) -> anyhow::Result<Box<dyn Server>> {
         settings.server_origin.as_ref(),
         settings.encryption_secret.as_ref(),
     ) {
-        let client_key = Uuid::parse_str(&client_key)?;
+        let client_key = Uuid::parse_str(client_key)?;
 
         log::debug!("Using sync-server with origin {}", origin);
         log::debug!("Sync client ID: {}", client_key);

cli/src/invocation/modify.rs

@@ -30,11 +30,11 @@ pub(super) fn apply_modification(
     }
 
     for tag in modification.add_tags.iter() {
-        task.add_tag(&tag)?;
+        task.add_tag(tag)?;
     }
 
     for tag in modification.remove_tags.iter() {
-        task.remove_tag(&tag)?;
+        task.remove_tag(tag)?;
     }
 
     if let Some(wait) = modification.wait {

cli/src/settings/report.rs

@@ -130,7 +130,7 @@ impl TryFrom<&toml::Value> for Report {
                 .map(|(i, v)| {
                     v.as_str()
                         .ok_or_else(|| anyhow!(".filter[{}]: not a string", i))
-                        .and_then(|s| Condition::parse_str(&s))
+                        .and_then(|s| Condition::parse_str(s))
                         .map_err(|e| anyhow!(".filter[{}]: {}", i, e))
                 })
                 .collect::<Result<Vec<_>>>()?,

cli/src/settings/settings.rs

@@ -97,7 +97,7 @@ impl Settings {
             "server_dir",
             "reports",
         ];
-        let table = table_with_keys(&config_toml, &table_keys)?;
+        let table = table_with_keys(config_toml, &table_keys)?;
 
         fn get_str_cfg<F: FnOnce(String)>(
             table: &Table,