Bump version to 0.8.3

Author: matti-lamppu

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -35,6 +35,7 @@ body:
         If you are not using the latest version, please try to also reproduce the bug
         on the latest version before opening the issue.
       options:
+        - "0.8.3"
         - "0.8.2"
         - "0.8.1"
         - "0.8.0"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "graphene-django-query-optimizer"
-version = "0.8.2"
+version = "0.8.3"
 description = "Automatically optimize SQL queries in Graphene-Django schemas."
 authors = [
     "Matti Lamppu <lamppu.matti.akseli@gmail.com>",