Set minimum required version of inflection to 0.5.0 (django-json-api#1030)

Author: sliverc

Diff for: CHANGELOG.md

@@ -17,6 +17,7 @@ any parts of the framework not mentioned in the documentation should generally b
 ### Changed
 
 * Adjusted to only use f-strings for slight performance improvement.
+* Set minimum required version of inflection to 0.5.0.
 
 ### Removed
 

Diff for: setup.py

@@ -96,7 +96,7 @@ def get_package_data(package):
         "Topic :: Software Development :: Libraries :: Python Modules",
     ],
     install_requires=[
-        "inflection>=0.3.0",
+        "inflection>=0.5.0",
         "djangorestframework>=3.12,<3.14",
         "django>=2.2,<4.1",
     ],