Upgrade rust/crates/regex to 1.5.4

Test: make
Change-Id: I0eab39246dc2aea41a62c15661e350b490f06c1d
diff --git a/tests/replace.rs b/tests/replace.rs
index 700aff2..1dc6106 100644
--- a/tests/replace.rs
+++ b/tests/replace.rs
@@ -94,7 +94,7 @@
     replace,
     r"([0-9]+)",
     "age: 26",
-    |captures: &Captures| {
+    |captures: &Captures<'_>| {
         match_text!(captures.get(1).unwrap())[0..1].to_owned()
     },
     "age: 2"
@@ -104,7 +104,7 @@
     replace,
     r"[0-9]+",
     "age: 26",
-    |_captures: &Captures| t!("Z").to_owned(),
+    |_captures: &Captures<'_>| t!("Z").to_owned(),
     "age: Z"
 );