build(deps-dev): update termynal requirement

Updates the requirements on [termynal](https://github.com/termynal/termynal.py) to permit the latest version.
- [Changelog](https://github.com/termynal/termynal.py/blob/main/CHANGELOG.md)
- [Commits](termynal/termynal.py@v0.12.2...v0.14.0)

---
updated-dependencies:
- dependency-name: termynal
  dependency-version: 0.14.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -62,7 +62,7 @@ docs = [
     "mkdocs-material[imaging]>=9.7,<9.8",
     "mkdocs-minify-plugin>=0.8,<0.9",
     "mkdocstrings-python>=1.16.2,<2.1",
-    "termynal>=0.12.2,<0.14",
+    "termynal>=0.12.2,<0.15",
 ]
 test = [
     "feedparser>=6.0.12,<6.1",