Revert "Update dependency sphinxcontrib-.." updates

This reverts commits 1f03f60^..21eae26

The "sphinxcontrib-*" builders must remain pinned to align with
the "Sphinx<5.0.0" constraint (required for the `python-dispatch-sphinx` plugin).

Author: nocarryr

sphinx-plugin/pyproject.toml

@@ -30,11 +30,11 @@ classifiers = [
 ]
 dependencies = [
     "sphinx<5.0.0",
-    "sphinxcontrib-applehelp<=2.0.0",
-    "sphinxcontrib-devhelp<=2.0.0",
-    "sphinxcontrib-htmlhelp<=2.1.0",
-    "sphinxcontrib-serializinghtml<=2.0.0",
-    "sphinxcontrib-qthelp<=2.0.0",
+    "sphinxcontrib-applehelp<=1.0.3",
+    "sphinxcontrib-devhelp<=1.0.3",
+    "sphinxcontrib-htmlhelp<=2.0.1",
+    "sphinxcontrib-serializinghtml<=1.1.6",
+    "sphinxcontrib-qthelp<=1.0.3",
     "standard-imghdr; python_version >= '3.13'",
     "python-dispatch>=0.2.2",
     "importlib-metadata; python_version < '3.8'"