build(deps): bump third_party/cctz from `4eda743` to `ee24973` (#2173)

Bumps [third_party/cctz](https://github.com/google/cctz) from `4eda743` to `ee24973`.
- [Release notes](https://github.com/google/cctz/releases)
- [Commits](https://github.com/google/cctz/compare/4eda7435413ec88be31ce2313c11f1b7a8832b9c...ee24973228e3976663ce71cc616cd874810c2c3e)

---
updated-dependencies:
- dependency-name: third_party/cctz
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/third_party/cctz b/third_party/cctz
index 4eda743..ee24973 160000
--- a/third_party/cctz
+++ b/third_party/cctz
@@ -1 +1 @@
-Subproject commit 4eda7435413ec88be31ce2313c11f1b7a8832b9c
+Subproject commit ee24973228e3976663ce71cc616cd874810c2c3e