Bump sphinxcontrib-applehelp from 1.0.8 to 2.0.0 in /requirements (#22519)

Bumps [sphinxcontrib-applehelp](https://github.com/sphinx-doc/sphinxcontrib-applehelp) from 1.0.8 to 2.0.0.
- [Release notes](https://github.com/sphinx-doc/sphinxcontrib-applehelp/releases)
- [Changelog](https://github.com/sphinx-doc/sphinxcontrib-applehelp/blob/master/CHANGES.rst)
- [Commits](https://github.com/sphinx-doc/sphinxcontrib-applehelp/compare/1.0.8...2.0.0)

---
updated-dependencies:
- dependency-name: sphinxcontrib-applehelp
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

requirements/dev.txt

@@ -65,9 +65,9 @@ sphinxcontrib-httpdomain==1.8.1 \
 sphinxcontrib-serializinghtml==2.0.0 \
     --hash=sha256:6e2cb0eef194e10c27ec0023bfeb25badbbb5868244cf5bc5bdc04e4464bf331 \
     --hash=sha256:e9d912827f872c029017a53f0ef2180b327c3f7fd23c87229f7a8e8b70031d4d
-sphinxcontrib-applehelp==1.0.8 \
-    --hash=sha256:c40a4f96f3776c4393d933412053962fac2b84f4c99a7982ba42e09576a70619 \
-    --hash=sha256:cb61eb0ec1b61f349e5cc36b2028e9e7ca765be05e49641c97241274753067b4
+sphinxcontrib-applehelp==2.0.0 \
+    --hash=sha256:2f29ef331735ce958efa4734873f084941970894c6090408b079c61b2e1c06d1 \
+    --hash=sha256:4cd3f0ec4ac5dd9c17ec65e9ab272c9b867ea77425228e68ecf08d6b28ddbdb5
 sphinxcontrib-devhelp==2.0.0 \
     --hash=sha256:411f5d96d445d1d73bb5d52133377b4248ec79db5c793ce7dbe59e074b4dd1ad \
     --hash=sha256:aefb8b83854e4b0998877524d1029fd3e6879210422ee3780459e28a1f03a8a2