deps(docs): update towncrier to the latest version and take advantage…

… of new config format

pyproject.toml

@@ -33,35 +33,29 @@ title_format = "v{version}"
 underlines = "-~"
 issue_format = ":issue:`{issue}`"
 
-    [[tool.towncrier.type]]
-    directory = "breaking"
-    name = "Breaking Changes"
-    showcontent = true
-
-    [[tool.towncrier.type]]
-    directory = "deprecate"
-    name = "Deprecations"
-    showcontent = true
-
-    [[tool.towncrier.type]]
-    directory = "feature"
-    name = "New Features"
-    showcontent = true
-
-    [[tool.towncrier.type]]
-    directory = "bugfix"
-    name = "Bug Fixes"
-    showcontent = true
-
-    [[tool.towncrier.type]]
-    directory = "doc"
-    name = "Documentation"
-    showcontent = true
-
-    [[tool.towncrier.type]]
-    directory = "misc"
-    name = "Miscellaneous"
-    showcontent = true
+[tool.towncrier.fragment.breaking]
+name = "Breaking Changes"
+showcontent = true
+
+[tool.towncrier.fragment.deprecate]
+name = "Deprecations"
+showcontent = true
+
+[tool.towncrier.fragment.feature]
+name = "New Features"
+showcontent = true
+
+[tool.towncrier.fragment.bugfix]
+name = "Bug Fixes"
+showcontent = true
+
+[tool.towncrier.fragment.doc]
+name = "Documentation"
+showcontent = true
+
+[tool.towncrier.fragment.misc]
+name = "Miscellaneous"
+showcontent = true
 
 
 [tool.slotscheck]

requirements/requirements_docs.txt

@@ -3,5 +3,5 @@ sphinx~=5.1.1
 sphinxcontrib-trio~=1.1.2
 sphinx-hoverxref==1.1.3
 sphinx-autobuild~=2021.3
-sphinxcontrib-towncrier==0.2.1a0
-towncrier==21.9.0
+sphinxcontrib-towncrier==0.3.0a0
+towncrier==22.8.0