* [telegraf] Add envFromSecret to pass sensitive data into environment
Signed-off-by: Yurii Matsiuk <ymatsiuk@users.noreply.github.com>

* [telegraf] Fix deprecation errors

* Update Chart.yaml
Co-authored-by: Yurii Matsiuk <ymatsiuk@users.noreply.github.com>
Co-authored-by: timhallinflux <timhallinflux@users.noreply.github.com>