0.1.2 Security fixes

Merge pull request #7 from a0s/dependabot/bundler/nokogiri-1.11.4

Bump nokogiri from 1.11.1 to 1.11.4

0.1.1

Remove all string values from export.
Some string will transform to numbers (see https://github.com/a0s/nvidia-smi-exporter#caveats)

0.1.0

Using nvidia-smi xml export by default.

0.0.1

Using nvidia-smi csv export by default.