Bump third-party/fast_double_parser from `111ad80` to `ffe3619`

Bumps [third-party/fast_double_parser](https://github.com/lemire/fast_double_parser) from `111ad80` to `ffe3619`.
- [Release notes](https://github.com/lemire/fast_double_parser/releases)
- [Commits](https://github.com/lemire/fast_double_parser/compare/111ad8041765d1623195bd6eb8b6bc7d97c44507...ffe3619894c83f35fd4881d21217d3e1484d2f68)

---
updated-dependencies:
- dependency-name: third-party/fast_double_parser
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/third-party/fast_double_parser b/third-party/fast_double_parser
index 111ad80..ffe3619 160000
--- a/third-party/fast_double_parser
+++ b/third-party/fast_double_parser
@@ -1 +1 @@
-Subproject commit 111ad8041765d1623195bd6eb8b6bc7d97c44507
+Subproject commit ffe3619894c83f35fd4881d21217d3e1484d2f68