Bump idna from 3.6 to 3.7

Bumps [idna](https://github.com/kjd/idna) from 3.6 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.6...v3.7)

---
updated-dependencies:
- dependency-name: idna
  dependency-type: indirect
...

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

requirements-dev.txt

@@ -249,7 +249,7 @@ hvac==2.1.0
     # via -r requirements-tests.txt
 identify==2.5.35
     # via pre-commit
-idna==3.6
+idna==3.7
     # via
     #   -r requirements-tests.txt
     #   requests

requirements-docs.txt

@@ -285,7 +285,7 @@ hvac==2.1.0
     # via
     #   -r requirements-docs.in
     #   -r requirements-tests.txt
-idna==3.6
+idna==3.7
     # via
     #   -r requirements-tests.txt
     #   requests

requirements-tests.txt

@@ -223,7 +223,7 @@ gunicorn==21.2.0
     # via -r requirements.txt
 hvac==2.1.0
     # via -r requirements.txt
-idna==3.6
+idna==3.7
     # via
     #   -r requirements.txt
     #   requests

requirements.txt

@@ -135,7 +135,7 @@ gunicorn==21.2.0
     # via -r requirements.in
 hvac==2.1.0
     # via -r requirements.in
-idna==3.6
+idna==3.7
     # via requests
 importlib-metadata==7.1.0
     # via