changelog: 1.10.4 and 1.10.5

We had previously release regex 1.10.4 but omitted a changelog entry for
it. So this adds it.

Author: BurntSushi

CHANGELOG.md

@@ -1,4 +1,4 @@
-1.10.4 (2024-06-09)
+1.10.5 (2024-06-09)
 ===================
 This is a new patch release with some minor fixes.
 
@@ -8,6 +8,17 @@ Bug fixes:
 Escape invalid UTF-8 when in the `Debug` impl of `regex::bytes::Match`.
 
 
+1.10.4 (2024-03-22)
+===================
+This is a new patch release with some minor fixes.
+
+* [BUG #1169](https://github.com/rust-lang/regex/issues/1169):
+Fixes a bug with compiling a reverse NFA automaton in `regex-automata`.
+* [BUG #1178](https://github.com/rust-lang/regex/pull/1178):
+Clarifies that when `Cow::Borrowed` is returned from replace APIs, it is
+equivalent to the input.
+
+
 1.10.3 (2024-01-21)
 ===================
 This is a new patch release that fixes the feature configuration of optional