chore(deps): update html2text requirement from 0.9 to 0.12

Updates the requirements on [html2text](https://github.com/jugglerchris/rust-html2text) to permit the latest version.
- [Changelog](https://github.com/jugglerchris/rust-html2text/blob/main/CHANGELOG.md)
- [Commits](jugglerchris/rust-html2text@0.9.0...0.12.5)

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

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

Cargo.toml

@@ -5,7 +5,7 @@ edition = "2021"
 
 [dependencies]
 dotenvy = "0.15"
-html2text = "0.9"
+html2text = "0.12"
 octocrab = "0.38"
 poise = "0.6"
 rand = "0.8"