rust: Fix elided_named_lifetimes clippy warnings (#195)

rust/ja4/src/pcap.rs

@@ -38,7 +38,7 @@ impl<'a> Packet<'a> {
     }
 
     /// Returns an iterator over the [protocols][Proto] with the given name.
-    pub(crate) fn protos<'b>(&'b self, name: &'b str) -> impl Iterator<Item = Proto> + 'b {
+    pub(crate) fn protos<'b>(&'b self, name: &'b str) -> impl Iterator<Item = Proto<'b>> {
         self.inner
             .iter()
             .filter(move |layer| layer.name() == name)
@@ -92,15 +92,18 @@ impl Proto<'_> {
     /// Returns an iterator over the sequence of [`rtshark::Metadata`] with the given [name].
     ///
     /// [name]: rtshark::Metadata::name
-    pub(crate) fn fields<'a>(&'a self, name: &'a str) -> impl Iterator<Item = &rtshark::Metadata> {
+    pub(crate) fn fields<'a>(
+        &'a self,
+        name: &'a str,
+    ) -> impl Iterator<Item = &'a rtshark::Metadata> {
         self.inner.iter().filter(move |md| md.name() == name)
     }
 
     /// Returns the [values] of [`rtshark::Metadata`] with the given [name].
     ///
     /// [name]: rtshark::Metadata::name
     /// [values]: rtshark::Metadata::value
-    pub(crate) fn values<'a>(&'a self, name: &'a str) -> impl Iterator<Item = &str> {
+    pub(crate) fn values<'a>(&'a self, name: &'a str) -> impl Iterator<Item = &'a str> {
         self.fields(name).map(|md| md.value())
     }