Bump version to 0.2.8

setup.cfg

 [bumpversion]
-current_version = 0.2.7
+current_version = 0.2.8
 commit = True
 tag = True
 tag_name = {new_version}

setup.py

@@ -50,7 +50,7 @@ class SchemaCommand(Command):
 
 setup(
     name="pi_mqtt_gpio",
-    version="0.2.7",
+    version="0.2.8",
     cmdclass={"insert_schema": SchemaCommand},
     packages=find_packages(
         exclude=[