change(ci): Update esp-idf-docs-env-v5.5 image

- Add Sphinx warnings caused by [#11323](https://github.com/doxygen/doxygen/issues/11323)
- Update esp-idf-doc-env-v5.5 to use the updated parent image (Ubuntu 24.04 and Node.js 22)
- Exclude sphinx-known-warnings.txt from pre-commit checks
- Fix doxygen warning in components/esp_wifi/include/esp_now.h

.pre-commit-config.yaml

@@ -51,7 +51,8 @@ repos:
             .*.pb-c.c|
             .*.yuv|
             .*.rgb|
-            .*COPYING.*
+            .*COPYING.*|
+            docs/sphinx-known-warnings\.txt
           )$
       - id: end-of-file-fixer
         exclude: *whitespace_excludes
@@ -69,6 +70,7 @@ repos:
     rev: v2.3.0
     hooks:
       - id: codespell
+        exclude: ^docs/sphinx-known-warnings\.txt$
   - repo: local
     hooks:
       - id: check-executables