Rollup merge of #92018 - estebank:missing-ticks, r=oli-obk

Fix typo in "new region bound" suggestion

The lifetime name shoud always appear in text surrounded by `.

compiler/rustc_infer/src/infer/error_reporting/mod.rs

@@ -275,7 +275,7 @@ pub fn unexpected_hidden_region_diagnostic(
                     fn_returns,
                     hidden_region.to_string(),
                     None,
-                    format!("captures {}", hidden_region),
+                    format!("captures `{}`", hidden_region),
                     None,
                 )
             }