Update html2text requirement from 0.4.4 to 0.5.0

Updates the requirements on [html2text](https://github.com/jugglerchris/rust-html2text) to permit the latest version.
- [Release notes](https://github.com/jugglerchris/rust-html2text/releases)
- [Changelog](https://github.com/jugglerchris/rust-html2text/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jugglerchris/rust-html2text/compare/0.4.4...0.5.0)

---
updated-dependencies:
- dependency-name: html2text
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -98,7 +98,7 @@ skeptic = "0.13"
 tempfile = "3"
 # for examples:
 femme = "2.2.1"
-html2text = "0.4.4"
+html2text = "0.5.0"
 [dev-dependencies.criterion]
 version = "0.4.0"
 features = ["async_tokio"]