chore: Fix clippy lints

Author: Techassi

crates/stackable-operator/src/product_logging/spec.rs

@@ -234,7 +234,10 @@ pub struct AutomaticContainerLogConfig {
 
 impl Merge for AutomaticContainerLogConfigFragment {
     fn merge(&mut self, defaults: &Self) {
-        self.loggers.merge(&defaults.loggers);
+        // The fully qualified syntax is used here because BTreeMaps also have a merge function.
+        // See https://github.com/rust-lang/rust/issues/48919
+        Merge::merge(&mut self.loggers, &defaults.loggers);
+
         if let Some(console) = &mut self.console {
             if let Some(defaults_console) = &defaults.console {
                 console.merge(defaults_console);

crates/stackable-operator/src/status/condition/mod.rs

@@ -313,11 +313,7 @@ impl ClusterConditionSet {
         let mut result = Self::new();
 
         // Combine the two condition vectors of old and new `ClusterConditionSet`.
-        for (old_condition, new_condition) in self
-            .conditions
-            .into_iter()
-            .zip(other.conditions.into_iter())
-        {
+        for (old_condition, new_condition) in self.conditions.into_iter().zip(other.conditions) {
             if let Some(condition) = match (old_condition, new_condition) {
                 // If both are set use the `condition_combiner` to update timestamps or concatenate
                 // the message

crates/stackable-versioned-macros/src/attrs/module.rs

@@ -41,7 +41,7 @@ impl ModuleAttributes {
 
         // It needs to be sorted, even though the definition could be unsorted
         // (if allow_unsorted is set).
-        self.versions.sort_by(|lhs, rhs| lhs.name.cmp(&rhs.name));
+        self.versions.sort_by_key(|lhs| lhs.name);
 
         if !self.options.common.allow_unsorted.is_present() && !is_sorted {
             let versions = self.versions.iter().map(|v| v.name).join(", ");