Upgrade towncrier

Running towncrier now requires use of the 'build' sub-command.

noxfile.py

@@ -1633,7 +1633,7 @@ def changelog(session, draft, force):
         install_command = ["--progress-bar=off", "-r", requirements_file]
         session.install(*install_command, silent=PIP_INSTALL_SILENT)
 
-    town_cmd = ["towncrier", "--version={}".format(session.posargs[0])]
+    town_cmd = ["towncrier", "build", "--version={}".format(session.posargs[0])]
     if draft:
         town_cmd.append("--draft")
     if force:

requirements/static/ci/changelog.in

@@ -1 +1,4 @@
-towncrier
+towncrier==21.9.0; python_version <= '3.6'
+towncrier==22.12.0; python_version > '3.6'
+looseversion
+packaging

requirements/static/ci/py3.10/changelog.txt

@@ -4,15 +4,26 @@
 #
 #    pip-compile --output-file=requirements/static/ci/py3.10/changelog.txt --pip-args='--constraint=requirements/static/ci/py3.10/linux.txt' requirements/static/ci/changelog.in
 #
-click==7.1.2
+click-default-group==1.2.2
     # via towncrier
+click==7.1.2
+    # via
+    #   click-default-group
+    #   towncrier
 incremental==17.5.0
     # via towncrier
 jinja2==3.1.2
     # via towncrier
+looseversion==1.0.3
+    # via -r requirements/static/ci/changelog.in
 markupsafe==2.0.1
     # via jinja2
-toml==0.10.1
-    # via towncrier
-towncrier==19.2.0
+packaging==23.0
     # via -r requirements/static/ci/changelog.in
+tomli==2.0.1
+    # via towncrier
+towncrier==22.12.0 ; python_version > "3.6"
+    # via -r requirements/static/ci/changelog.in
+
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools

requirements/static/ci/py3.6/changelog.txt

@@ -4,15 +4,28 @@
 #
 #    pip-compile --output-file=requirements/static/ci/py3.6/changelog.txt --pip-args='--constraint=requirements/static/ci/py3.6/linux.txt' requirements/static/ci/changelog.in
 #
-click==7.1.1
+click-default-group==1.2.2
     # via towncrier
+click==7.1.1
+    # via
+    #   click-default-group
+    #   towncrier
 incremental==17.5.0
     # via towncrier
 jinja2==3.0.3
     # via towncrier
+looseversion==1.0.3
+    # via -r requirements/static/ci/changelog.in
 markupsafe==2.0.1
     # via jinja2
-toml==0.10.2
-    # via towncrier
-towncrier==19.2.0
+packaging==21.3
     # via -r requirements/static/ci/changelog.in
+pyparsing==3.0.9
+    # via packaging
+tomli==1.2.3
+    # via towncrier
+towncrier==21.9.0 ; python_version <= "3.6"
+    # via -r requirements/static/ci/changelog.in
+
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools

requirements/static/ci/py3.7/changelog.txt

@@ -4,15 +4,26 @@
 #
 #    pip-compile --output-file=requirements/static/ci/py3.7/changelog.txt --pip-args='--constraint=requirements/static/ci/py3.7/linux.txt' requirements/static/ci/changelog.in
 #
-click==7.1.1
+click-default-group==1.2.2
     # via towncrier
+click==7.1.1
+    # via
+    #   click-default-group
+    #   towncrier
 incremental==17.5.0
     # via towncrier
 jinja2==3.1.2
     # via towncrier
+looseversion==1.0.3
+    # via -r requirements/static/ci/changelog.in
 markupsafe==2.0.1
     # via jinja2
-toml==0.10.2
-    # via towncrier
-towncrier==19.2.0
+packaging==23.0
     # via -r requirements/static/ci/changelog.in
+tomli==2.0.1
+    # via towncrier
+towncrier==22.12.0 ; python_version > "3.6"
+    # via -r requirements/static/ci/changelog.in
+
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools

requirements/static/ci/py3.8/changelog.txt

@@ -4,15 +4,26 @@
 #
 #    pip-compile --output-file=requirements/static/ci/py3.8/changelog.txt --pip-args='--constraint=requirements/static/ci/py3.8/linux.txt' requirements/static/ci/changelog.in
 #
-click==7.1.2
+click-default-group==1.2.2
     # via towncrier
+click==7.1.2
+    # via
+    #   click-default-group
+    #   towncrier
 incremental==17.5.0
     # via towncrier
 jinja2==3.1.2
     # via towncrier
+looseversion==1.0.3
+    # via -r requirements/static/ci/changelog.in
 markupsafe==2.0.1
     # via jinja2
-toml==0.10.1
-    # via towncrier
-towncrier==19.2.0
+packaging==23.0
     # via -r requirements/static/ci/changelog.in
+tomli==2.0.1
+    # via towncrier
+towncrier==22.12.0 ; python_version > "3.6"
+    # via -r requirements/static/ci/changelog.in
+
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools

requirements/static/ci/py3.9/changelog.txt

@@ -4,15 +4,26 @@
 #
 #    pip-compile --output-file=requirements/static/ci/py3.9/changelog.txt --pip-args='--constraint=requirements/static/ci/py3.9/linux.txt' requirements/static/ci/changelog.in
 #
-click==7.1.2
+click-default-group==1.2.2
     # via towncrier
+click==7.1.2
+    # via
+    #   click-default-group
+    #   towncrier
 incremental==17.5.0
     # via towncrier
 jinja2==3.1.2
     # via towncrier
+looseversion==1.0.3
+    # via -r requirements/static/ci/changelog.in
 markupsafe==2.0.1
     # via jinja2
-toml==0.10.1
-    # via towncrier
-towncrier==19.2.0
+packaging==23.0
     # via -r requirements/static/ci/changelog.in
+tomli==2.0.1
+    # via towncrier
+towncrier==22.12.0 ; python_version > "3.6"
+    # via -r requirements/static/ci/changelog.in
+
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools