build(deps): bump idna from 3.4 to 3.7 in /srcs/api-gateway-app

Bumps [idna](https://github.com/kjd/idna) from 3.4 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.4...v3.7)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

srcs/api-gateway-app/requirements.txt

@@ -3,7 +3,7 @@ certifi==2023.7.22
 charset-normalizer==3.3.1
 click==8.1.7
 Flask==3.0.0
-idna==3.4
+idna==3.7
 itsdangerous==2.1.2
 Jinja2==3.1.4
 MarkupSafe==2.1.3