fix pdf docs build

Author: bckohan

doc/source/howto.rst

@@ -190,6 +190,7 @@ Lets look at the help output:
 
 .. typer:: tests.apps.howto.management.commands.default_cmd.Command:typer_app
     :width: 80
+    :convert-png: latex
 
 .. _groups:
 
@@ -679,22 +680,26 @@ like below, but they must extend from django-typer's classes:
     .. tab:: Default Order
 
         .. typer:: tests.apps.howto.management.commands.order_default.Command:typer_app
-            :prog: ./manage.py order
+            :prog: manage.py order
             :width: 80
+            :convert-png: latex
 
         .. typer:: tests.apps.howto.management.commands.order_default.Command:typer_app:d
-            :prog: ./manage.py order d
+            :prog: manage.py order d
+            :convert-png: latex
             :width: 80
 
     .. tab:: Alphabetized
 
         .. typer:: tests.apps.howto.management.commands.order.Command:typer_app
-            :prog: ./manage.py order
+            :prog: manage.py order
+            :convert-png: latex
             :width: 80
 
         .. typer:: tests.apps.howto.management.commands.order.Command:typer_app:d
-            :prog: ./manage.py order d
+            :prog: manage.py order d
             :width: 80
+            :convert-png: latex
 
 Document Commands w/Sphinx
 --------------------------

pyproject.toml

@@ -92,7 +92,7 @@ mypy = ">=1.0"
 doc8 = ">=1.1.1"
 aiohttp = ">=3.9.1"
 readme-renderer = {extras = ["md"], version = ">=42"}
-sphinxcontrib-typer = {extras = ["html", "pdf", "png"], version = ">=0.5.0", markers="python_version >= '3.9'"}
+sphinxcontrib-typer = {extras = ["html", "pdf", "png"], version = ">=0.5.1", markers="python_version >= '3.9'"}
 pytest-env = ">=1.0.0"
 django-stubs = ">=4.2.7"
 pexpect = ">=4.9.0"