build(deps): bump vivisect from 1.1.1 to 1.2.1

Bumps [vivisect](https://github.com/vivisect/vivisect) from 1.1.1 to 1.2.1.
- [Changelog](https://github.com/vivisect/vivisect/blob/master/CHANGELOG.rst)
- [Commits](vivisect/vivisect@v1.1.1...v1.2.1)

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

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

requirements.txt

@@ -54,4 +54,4 @@ types-pyyaml==6.0.10
 types-tabulate==0.9.0.20240106
 virtualenv==20.26.2
 viv-utils==0.7.11
-vivisect==1.1.1
+vivisect==1.2.1