Bump dnspython from 2.4.1 to 2.6.1

Bumps [dnspython](https://github.com/rthalley/dnspython) from 2.4.1 to 2.6.1.
- [Release notes](https://github.com/rthalley/dnspython/releases)
- [Changelog](https://github.com/rthalley/dnspython/blob/main/doc/whatsnew.rst)
- [Commits](rthalley/dnspython@v2.4.1...v2.6.1)

---
updated-dependencies:
- dependency-name: dnspython
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -8,7 +8,7 @@ charset-normalizer==3.2.0
 class-doc==0.2.0b0
 click==8.1.6
 cryptography==41.0.2
-dnspython==2.4.1
+dnspython==2.6.1
 elastic-transport==8.4.0
 elasticsearch==8.8.2
 email-validator==1.3.1