deps: bump idna from 3.11 to 3.15

Bumps [idna](https://github.com/kjd/idna) from 3.11 to 3.15.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.md)
- [Commits](kjd/idna@v3.11...v3.15)

---
updated-dependencies:
- dependency-name: idna
  dependency-version: '3.15'
  dependency-type: indirect
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -631,9 +631,9 @@ helsinki-profile-gdpr-api==0.2.0 \
     --hash=sha256:2816eedbeafd0adcd96822f8533227f42d3051ccb48266f7480a0d34903f3496 \
     --hash=sha256:856e219fc98ea43b7704e10f05dea4cbbe78a968b6570952657621fbc88ee1af
     # via -r requirements.txt
-idna==3.11 \
-    --hash=sha256:771a87f49d9defaf64091e6e6fe9c18d4833f140bd19464795bc32d966ca37ea \
-    --hash=sha256:795dafcc9c04ed0c1fb032c2aa73654d8e8c5023a7df64a53f39190ada629902
+idna==3.15 \
+    --hash=sha256:048adeaf8c2d788c40fee287673ccaa74c24ffd8dcf09ffa555a2fbb59f10ac8 \
+    --hash=sha256:ca962446ea538f7092a95e057da437618e886f4d349216d2b1e294abfdb65fdc
     # via
     #   -r requirements.txt
     #   requests

requirements.txt

@@ -495,9 +495,9 @@ helsinki-profile-gdpr-api==0.2.0 \
     --hash=sha256:2816eedbeafd0adcd96822f8533227f42d3051ccb48266f7480a0d34903f3496 \
     --hash=sha256:856e219fc98ea43b7704e10f05dea4cbbe78a968b6570952657621fbc88ee1af
     # via -r requirements.in
-idna==3.11 \
-    --hash=sha256:771a87f49d9defaf64091e6e6fe9c18d4833f140bd19464795bc32d966ca37ea \
-    --hash=sha256:795dafcc9c04ed0c1fb032c2aa73654d8e8c5023a7df64a53f39190ada629902
+idna==3.15 \
+    --hash=sha256:048adeaf8c2d788c40fee287673ccaa74c24ffd8dcf09ffa555a2fbb59f10ac8 \
+    --hash=sha256:ca962446ea538f7092a95e057da437618e886f4d349216d2b1e294abfdb65fdc
     # via requests
 inflection==0.5.1 \
     --hash=sha256:1a29730d366e996aaacffb2f1f1cb9593dc38e2ddd30c91250c6dde09ea9b417 \