misc: bump dnspython in /util/gem5-resource-manager (#1027)

Bumps [dnspython](https://github.com/rthalley/dnspython) from 2.3.0 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/v2.3.0...v2.6.1)

Change-Id: Iaa0ed0fa68220fd8b52eb62c0089831b253e17d0

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

Change-Id: I6e3ed8287f5fd60e7bd1c0a3e565db94ef8627a9

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

util/gem5-resources-manager/requirements.txt

@@ -7,7 +7,7 @@ click==8.1.3
 colorama==0.4.6
 coverage==7.2.7
 cryptography==42.0.4
-dnspython==2.3.0
+dnspython==2.6.1
 Flask==2.3.2
 idna==3.7
 importlib-metadata==6.6.0