Bump idna from 3.15 to 3.16 (#24973)

Bumps [idna](https://github.com/kjd/idna) from 3.15 to 3.16.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.md)
- [Commits](kjd/idna@v3.15...v3.16)

---
updated-dependencies:
- dependency-name: idna
  dependency-version: '3.16'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements/prod.txt

@@ -143,9 +143,9 @@ cryptography==48.0.0 \
     --hash=sha256:f5333311663ea94f75dd408665686aaf426563556bb5283554a3539177e03b8c \
     --hash=sha256:fdfef35d751d510fcef5252703621574364fec16418c4a1e5e1055248401054b
 # idna is required by cryptography
-idna==3.15 \
-    --hash=sha256:048adeaf8c2d788c40fee287673ccaa74c24ffd8dcf09ffa555a2fbb59f10ac8 \
-    --hash=sha256:ca962446ea538f7092a95e057da437618e886f4d349216d2b1e294abfdb65fdc
+idna==3.16 \
+    --hash=sha256:cc246e3a3f89580c3a951b5ad298ca4638078b2cdd4f115654332b5c26daded5 \
+    --hash=sha256:d7a6da03db833450fca25d2358ac9ff06cd624577a4aea3a596d5c0f77b8e03d
 # packaging is required by setuptools
 packaging==26.2 \
     --hash=sha256:5fc45236b9446107ff2415ce77c807cee2862cb6fac22b8a73826d0693b0980e \