Bump idna from 3.4 to 3.7 in /ci/rstcheck (#1375)

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: indirect
...

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

ci/rstcheck/requirements.txt

@@ -22,7 +22,7 @@ docutils==0.19
     # via
     #   rstcheck-core
     #   sphinx
-idna==3.4
+idna==3.7
     # via requests
 imagesize==1.4.1
     # via sphinx
@@ -43,9 +43,7 @@ requests==2.31.0
 rich==12.6.0
     # via typer
 rstcheck==6.1.2
-    # via
-    #   -r requirements.in
-    #   rstcheck
+    # via -r requirements.in
 rstcheck-core==1.0.3
     # via rstcheck
 shellingham==1.5.3
@@ -73,9 +71,7 @@ sphinxcontrib-qthelp==1.0.6
 sphinxcontrib-serializinghtml==1.1.9
     # via sphinx
 typer==0.7.0
-    # via
-    #   rstcheck
-    #   typer
+    # via rstcheck
 types-docutils==0.19.1.9
     # via rstcheck-core
 typing-extensions==4.7.1