- update outdated constraints

constraints.txt

@@ -10,7 +10,7 @@ DocumentTemplate==4.6
 ExtensionClass==6.0
 Jinja2==3.1.4
 MarkupSafe==2.1.5; python_version == '3.8'
-MarkupSafe==3.0.1; python_version > '3.8'
+MarkupSafe==3.0.2; python_version > '3.8'
 Missing==5.0
 MultiMapping==5.0
 Paste==3.10.1
@@ -23,7 +23,7 @@ Record==4.1
 RestrictedPython==7.4
 Sphinx==7.1.2; python_version == '3.8'
 Sphinx==7.4.7; python_version == '3.9'
-Sphinx==8.0.2; python_version > '3.9'
+Sphinx==8.1.3; python_version > '3.9'
 WSGIProxy2==0.5.1
 WebOb==1.8.9
 WebTest==3.0.1
@@ -128,6 +128,6 @@ zope.tal==5.0.1
 zope.tales==6.0
 zope.testbrowser==7.0
 zope.testing==5.0.1
-zope.testrunner==6.5
+zope.testrunner==6.6
 zope.traversing==5.0
 zope.viewlet==5.0