Bump idna from 2.7 to 3.7 in /installer

Bumps [idna](https://github.com/kjd/idna) from 2.7 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v2.7...v3.7)

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

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

installer/requirements.txt

@@ -9,6 +9,6 @@ simplejson==3.8.2
 toml==0.10.0
 certifi==2023.7.22
 chardet==3.0.4
-idna==2.7
+idna==3.7
 pyinstaller
 https://pyyaml.org/download/pyyaml/PyYAML-5.3.1-cp38-cp38-win_amd64.whl; sys_platform == 'win32'