add hide param for prometheus query (needed by __expr__ query to the datasource)

[peekjef72]

Description

see #205

Checklist

• The patch has appropriate test coverage
• The patch follows the style guidelines of this project
• The patch has appropriate comments, particularly in hard-to-understand areas
• The documentation was updated corresponding to the patch
• [x ] I have performed a self-review of this patch

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.29%. Comparing base (ea15cf9) to head (188f6e1).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #206   +/-   ##
=======================================
  Coverage   92.29%   92.29%           
=======================================
  Files          27       27           
  Lines        1816     1816           
=======================================
  Hits         1676     1676           
  Misses        140      140           

Flag	Coverage Δ
unittests	92.29% <ø> (ø)

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[peekjef72]

Hi Andreas
Hope you are fine.
Just a very small fix, that probably needs to be propagated to other datasources, but i'm not sure.
JFPIK-

[amotl]

Oha. Thank you very much! 👍

[amotl]

We just released version 4.2.3 including your fix. Thanks again!