Bump idna from 3.11 to 3.15 in /doc

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]

doc/requirements.txt

@@ -160,11 +160,7 @@ click==8.3.1 \
 colorama==0.4.6 \
     --hash=sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44 \
     --hash=sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6
-    # via
-    #   click
-    #   pytest
-    #   sphinx
-    #   sphinx-autobuild
+    # via sphinx-autobuild
 coverxygen==1.8.1 \
     --hash=sha256:d1c2f6569e8df8823ae313b1f7876e88ff20b4372c6d02f04c51fb5dc424576f
     # via -r requirements.in
@@ -186,9 +182,9 @@ h11==0.16.0 \
     --hash=sha256:4e35b956cf45792e4caa5885e69fba00bdbc6ffafbfa020300e549b208ee5ff1 \
     --hash=sha256:63cf8bbe7522de3bf65932fda1d9c2772064ffb3dae62d55932da54b31cb6c86
     # via uvicorn
-idna==3.11 \
-    --hash=sha256:771a87f49d9defaf64091e6e6fe9c18d4833f140bd19464795bc32d966ca37ea \
-    --hash=sha256:795dafcc9c04ed0c1fb032c2aa73654d8e8c5023a7df64a53f39190ada629902
+idna==3.15 \
+    --hash=sha256:048adeaf8c2d788c40fee287673ccaa74c24ffd8dcf09ffa555a2fbb59f10ac8 \
+    --hash=sha256:ca962446ea538f7092a95e057da437618e886f4d349216d2b1e294abfdb65fdc
     # via
     #   anyio
     #   requests
@@ -563,10 +559,6 @@ ruamel-yaml==0.19.1 \
     --hash=sha256:27592957fedf6e0b62f281e96effd28043345e0e66001f97683aa9a40c667c93 \
     --hash=sha256:53eb66cd27849eff968ebf8f0bf61f46cdac2da1d1f3576dd4ccee9b25c31993
     # via pykwalify
-setuptools==82.0.1 \
-    --hash=sha256:7d872682c5d01cfde07da7bccc7b65469d3dca203318515ada1de5eda35efbf9 \
-    --hash=sha256:a59e362652f08dcd477c78bb6e7bd9d80a7995bc73ce773050228a348ce2e5bb
-    # via sphinx-togglebutton
 six==1.17.0 \
     --hash=sha256:4721f391ed90541fddacab5acf947aa0d3dc7d27b2e1e8eda2be8970586c3274 \
     --hash=sha256:ff70335d468e7eb6ec65b95b99d3a2836546063f63acc5171de367e834932a81
@@ -664,12 +656,6 @@ starlette==1.0.0 \
     --hash=sha256:6a4beaf1f81bb472fd19ea9b918b50dc3a77a6f2e190a12954b25e6ed5eea149 \
     --hash=sha256:d3ec55e0bb321692d275455ddfd3df75fff145d009685eb40dc91fc66b03d38b
     # via sphinx-autobuild
-typing-extensions==4.15.0 ; python_full_version < '3.13' \
-    --hash=sha256:0cea48d173cc12fa28ecabc3b837ea3cf6f38c6d1136f85cbaaf598984861466 \
-    --hash=sha256:f0fa19c6845758ab08074a0cfa8b7aecb71c999ca73d62883bc25cc018c4e548
-    # via
-    #   anyio
-    #   starlette
 urllib3==2.6.3 \
     --hash=sha256:1b62b6884944a57dbe321509ab94fd4d3b307075e0c2eae991ac71ee15ad38ed \
     --hash=sha256:bf272323e553dfb2e87d9bfd225ca7b0f467b919d7bbd355436d3fd37cb0acd4