Bump dnspython from 2.2.1 to 2.3.0 (#1975)

* Bump dnspython from 2.2.1 to 2.3.0

Bumps [dnspython](https://github.com/rthalley/dnspython) from 2.2.1 to 2.3.0.
- [Release notes](https://github.com/rthalley/dnspython/releases)
- [Changelog](https://github.com/rthalley/dnspython/blob/master/doc/whatsnew.rst)
- [Commits](https://github.com/rthalley/dnspython/compare/v2.2.1...v2.3.0)

---
updated-dependencies:
- dependency-name: dnspython
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update dnspython==2.3.0

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

[skip ci]

lib/dns/enum.py

@@ -17,6 +17,7 @@
 
 import enum
 
+
 class IntEnum(enum.IntEnum):
     @classmethod
     def _check_value(cls, value):
@@ -32,9 +33,12 @@ class IntEnum(enum.IntEnum):
             return cls[text]
         except KeyError:
             pass
+        value = cls._extra_from_text(text)
+        if value:
+            return value
         prefix = cls._prefix()
-        if text.startswith(prefix) and text[len(prefix):].isdigit():
-            value = int(text[len(prefix):])
+        if text.startswith(prefix) and text[len(prefix) :].isdigit():
+            value = int(text[len(prefix) :])
             cls._check_value(value)
             try:
                 return cls(value)
@@ -46,9 +50,13 @@ class IntEnum(enum.IntEnum):
     def to_text(cls, value):
         cls._check_value(value)
         try:
-            return cls(value).name
+            text = cls(value).name
         except ValueError:
-            return f"{cls._prefix()}{value}"
+            text = None
+        text = cls._extra_to_text(value, text)
+        if text is None:
+            text = f"{cls._prefix()}{value}"
+        return text
 
     @classmethod
     def make(cls, value):
@@ -83,7 +91,15 @@ class IntEnum(enum.IntEnum):
 
     @classmethod
     def _prefix(cls):
-        return ''
+        return ""
+
+    @classmethod
+    def _extra_from_text(cls, text):  # pylint: disable=W0613
+        return None
+
+    @classmethod
+    def _extra_to_text(cls, value, current_text):  # pylint: disable=W0613
+        return current_text
 
     @classmethod
     def _unknown_exception_class(cls):