use beautifulsoup to derive title from HTML h1

Signed-off-by: Brian S. Stephan <bss@incorporeal.org>

requirements/requirements-dev.txt

@@ -14,6 +14,8 @@ authlib==1.6.6
     # via safety
 bandit==1.9.3
     # via incorporeal-cms (pyproject.toml)
+beautifulsoup4==4.14.3
+    # via incorporeal-cms (pyproject.toml)
 boolean-py==5.0
     # via license-expression
 build==1.4.0
@@ -266,6 +268,8 @@ six==1.17.0
     # via python-dateutil
 snowballstemmer==3.0.1
     # via pydocstyle
+soupsieve==2.8.3
+    # via beautifulsoup4
 stevedore==5.6.0
     # via bandit
 tenacity==9.1.2
@@ -286,6 +290,7 @@ typer==0.21.1
     # via safety
 typing-extensions==4.15.0
     # via
+    #   beautifulsoup4
     #   mypy
     #   pydantic
     #   pydantic-core