Enable clippy::extra_unused_lifetimes (#8754)

This PR enables the
[`clippy::extra_unused_lifetimes`](https://rust-lang.github.io/rust-clippy/master/index.html#/extra_unused_lifetimes)
rule and fixes the outstanding violations.

Release Notes:

- N/A

crates/project_core/src/worktree.rs

@@ -220,7 +220,7 @@ impl Deref for WorkDirectoryEntry {
     }
 }
 
-impl<'a> From<ProjectEntryId> for WorkDirectoryEntry {
+impl From<ProjectEntryId> for WorkDirectoryEntry {
     fn from(value: ProjectEntryId) -> Self {
         WorkDirectoryEntry(value)
     }