Fix typo in grafana_dashboard module documentation

[platan]

SUMMARY

Fix typo in grafana_dashboard module documentation

ISSUE TYPE

• Docs Pull Request

COMPONENT NAME

grafana_dashboard module

ADDITIONAL INFORMATION

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7682b95) 65.66% compared to head (c3846a8) 70.04%.

❗ Current head c3846a8 differs from pull request most recent head 564ab62. Consider uploading reports for the commit 564ab62 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #314      +/-   ##
==========================================
+ Coverage   65.66%   70.04%   +4.37%     
==========================================
  Files           9        9              
  Lines         964     1155     +191     
  Branches      131      254     +123     
==========================================
+ Hits          633      809     +176     
+ Misses        303      200     -103     
- Partials       28      146     +118     

Flag	Coverage Δ
integration	69.87% <ø> (?)
units	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
plugins/modules/grafana_dashboard.py	51.76% <ø> (ø)

... and 12 files with indirect coverage changes

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