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/grange.py

@@ -17,9 +17,12 @@
 
 """DNS GENERATE range conversion."""
 
+from typing import Tuple
+
 import dns
 
-def from_text(text):
+
+def from_text(text: str) -> Tuple[int, int, int]:
     """Convert the text form of a range in a ``$GENERATE`` statement to an
     integer.
 
@@ -31,22 +34,22 @@ def from_text(text):
     start = -1
     stop = -1
     step = 1
-    cur = ''
+    cur = ""
     state = 0
     # state   0   1   2
     #         x - y / z
 
-    if text and text[0] == '-':
+    if text and text[0] == "-":
         raise dns.exception.SyntaxError("Start cannot be a negative number")
 
     for c in text:
-        if c == '-' and state == 0:
+        if c == "-" and state == 0:
             start = int(cur)
-            cur = ''
+            cur = ""
             state = 1
-        elif c == '/':
+        elif c == "/":
             stop = int(cur)
-            cur = ''
+            cur = ""
             state = 2
         elif c.isdigit():
             cur += c
@@ -64,6 +67,6 @@ def from_text(text):
     assert step >= 1
     assert start >= 0
     if start > stop:
-        raise dns.exception.SyntaxError('start must be <= stop')
+        raise dns.exception.SyntaxError("start must be <= stop")
 
     return (start, stop, step)