Bump idna from 3.4 to 3.7 in /requirements

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]

requirements/dev.txt

@@ -98,7 +98,7 @@ gitpython==3.1.41
     #   generate-changelog
 identify==2.5.30
     # via pre-commit
-idna==3.4
+idna==3.7
     # via
     #   requests
     #   yarl

requirements/docs.txt

@@ -69,7 +69,7 @@ gitdb==4.0.11
     # via gitpython
 gitpython==3.1.41
     # via cookie-composer (pyproject.toml)
-idna==3.4
+idna==3.7
     # via
     #   requests
     #   yarl

requirements/prod.txt

@@ -49,7 +49,7 @@ gitdb==4.0.11
     # via gitpython
 gitpython==3.1.41
     # via cookie-composer (pyproject.toml)
-idna==3.4
+idna==3.7
     # via
     #   requests
     #   yarl

requirements/test.txt

@@ -63,7 +63,7 @@ gitpython==3.1.41
     # via cookie-composer (pyproject.toml)
 identify==2.5.30
     # via pre-commit
-idna==3.4
+idna==3.7
     # via
     #   requests
     #   yarl