build(deps): bump idna from 3.3 to 3.7 in /stake-pool/py (solana-labs#6571)

Bumps [idna](https://github.com/kjd/idna) from 3.3 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.3...v3.7)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

stake-pool/py/requirements.txt

@@ -8,7 +8,7 @@ construct==2.10.68
 h11==0.12.0
 httpcore==0.15.0
 httpx==0.23.0
-idna==3.3
+idna==3.7
 pycparser==2.21
 PyNaCl==1.5.0
 requests==2.31.0