Bump dnspython from 2.4.2 to 2.6.1 (#2264)

* Bump dnspython from 2.4.2 to 2.6.1

Bumps [dnspython](https://github.com/rthalley/dnspython) from 2.4.2 to 2.6.1.
- [Release notes](https://github.com/rthalley/dnspython/releases)
- [Changelog](https://github.com/rthalley/dnspython/blob/main/doc/whatsnew.rst)
- [Commits](https://github.com/rthalley/dnspython/compare/v2.4.2...v2.6.1)

---
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==2.6.1

---------

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/tsig.py

@@ -29,47 +29,38 @@ import dns.rdataclass
 
 
 class BadTime(dns.exception.DNSException):
-
     """The current time is not within the TSIG's validity time."""
 
 
 class BadSignature(dns.exception.DNSException):
-
     """The TSIG signature fails to verify."""
 
 
 class BadKey(dns.exception.DNSException):
-
     """The TSIG record owner name does not match the key."""
 
 
 class BadAlgorithm(dns.exception.DNSException):
-
     """The TSIG algorithm does not match the key."""
 
 
 class PeerError(dns.exception.DNSException):
-
     """Base class for all TSIG errors generated by the remote peer"""
 
 
 class PeerBadKey(PeerError):
-
     """The peer didn't know the key we used"""
 
 
 class PeerBadSignature(PeerError):
-
     """The peer didn't like the signature we sent"""
 
 
 class PeerBadTime(PeerError):
-
     """The peer didn't like the time we sent"""
 
 
 class PeerBadTruncation(PeerError):
-
     """The peer didn't like amount of truncation in the TSIG we sent"""