message: [x] drop some unnecessary syntax
  &'a dyn Trait is syntactic sugar for &'a (dyn Trait + 'a). For more, see:
  Closes:
  Approved by: bmwill
diff: @@ -13,7 +13,7 @@ use std::{
  #[derive(Clone, Debug)]
  pub struct LintEngineConfig<'cfg> {
  project_root: &'cfg Path,
  - content_linters: &'cfg [&'cfg (dyn ContentLinter + 'cfg)],
  + content_linters: &'cfg [&'cfg dyn ContentLinter],
  fail_fast: bool,
  }
  @@ -28,7 +28,7 @@ impl<'cfg> LintEngineConfig<'cfg> {
  pub fn with_content_linters(
  &mut self,
  - content_linters: &'cfg [&'cfg (dyn ContentLinter + 'cfg)],
  + content_linters: &'cfg [&'cfg dyn ContentLinter],
  ) -> &mut Self {
  self.content_linters = content_linters;
  self
  