build(deps): bump sphinx-new-tab-link from 0.2.3 to 0.3.0

Bumps [sphinx-new-tab-link](https://github.com/ftnext/sphinx-new-tab-link) from 0.2.3 to 0.3.0.
- [Release notes](https://github.com/ftnext/sphinx-new-tab-link/releases)
- [Commits](ftnext/sphinx-new-tab-link@v0.2.3...v0.3.0)

---
updated-dependencies:
- dependency-name: sphinx-new-tab-link
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -8,6 +8,6 @@ sphinx-contributors==0.2.7
 sphinx-copybutton==0.5.2
 # sphinx-design==0.5.0
 sphinx-last-updated-by-git==0.3.6
-sphinx-new-tab-link==0.2.3
+sphinx-new-tab-link==0.3.0
 sphinx-tabs==3.4.5
 sphinx-togglebutton==0.3.2