chore(deps): bump soupsieve from 2.7 to 2.8.4 in /docs (#8328)

Bumps [soupsieve](https://github.com/facelessuser/soupsieve) from 2.7 to 2.8.4.
- [Release notes](https://github.com/facelessuser/soupsieve/releases)
- [Commits](facelessuser/soupsieve@2.7...2.8.4)

---
updated-dependencies:
- dependency-name: soupsieve
  dependency-version: 2.8.4
  dependency-type: indirect
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -411,9 +411,9 @@ smmap==5.0.2 \
     --hash=sha256:26ea65a03958fa0c8a1c7e8c7a58fdc77221b8910f6be2131affade476898ad5 \
     --hash=sha256:b30115f0def7d7531d22a0fb6502488d879e75b260a9db4d0819cfb25403af5e
     # via gitdb
-soupsieve==2.7 \
-    --hash=sha256:6e60cc5c1ffaf1cebcc12e8188320b72071e922c2e897f737cadce79ad5d30c4 \
-    --hash=sha256:ad282f9b6926286d2ead4750552c8a6142bc4c783fd66b0293547c8fe6ae126a
+soupsieve==2.8.4 \
+    --hash=sha256:e121fd02e975c695e4e9e8774a5ee35d74714b59307868dcc5319ad2d9e3328e \
+    --hash=sha256:e7e6b0769c8f51ed59acab6e994b00621096cfb1c640a7509295987388fbaf65
     # via beautifulsoup4
 typing-extensions==4.14.0 \
     --hash=sha256:8676b788e32f02ab42d9e7c61324048ae4c6d844a399eebace3d4979d75ceef4 \