build(deps): Bump uplot from 1.4.4 to 1.6.31 in /admin-lte

Bumps [uplot](https://github.com/leeoniya/uPlot) from 1.4.4 to 1.6.31.
- [Release notes](https://github.com/leeoniya/uPlot/releases)
- [Commits](leeoniya/uPlot@1.4.4...1.6.31)

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

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