feat(grafana_dashboard): allow dashboard input variables to be set

[gizmoguy]

SUMMARY

This feature allows users to set dashboard inputs when creating/updating a dashboard by providing a dictionary of input names and values with the new optional inputs attribute.

Fixes #329

ISSUE TYPE

• Feature Pull Request

COMPONENT NAME

grafana_dashboard

ADDITIONAL INFORMATION

See included integration test for some examples of how to use, or this simple ansible playbook:

- name: Test grafana
  hosts: localhost
  tasks:
    - name: Create dashboard with inputs
      community.grafana.grafana_dashboard:
        grafana_url: "http://localhost:3000"
        uid: test-dashboard-inputs
        dashboard_id: "1860"
        dashboard_revision: "40"
        inputs:
          DS_PROMETHEUS: prometheus
        overwrite: "true"
        state: "present"

[codecov]

Codecov Report

❌ Patch coverage is 72.41379% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 73.59%. Comparing base (2330479) to head (6c4f88c).

Files with missing lines	Patch %	Lines
plugins/modules/grafana_dashboard.py	72.41%	4 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #430      +/-   ##
==========================================
- Coverage   73.62%   73.59%   -0.03%     
==========================================
  Files          21       21              
  Lines        2328     2356      +28     
  Branches      495      507      +12     
==========================================
+ Hits         1714     1734      +20     
- Misses        445      449       +4     
- Partials      169      173       +4     

Flag	Coverage Δ
integration	71.27% <72.41%> (+<0.01%)	⬆️
sanity	22.99% <3.44%> (-0.31%)	⬇️
units	66.98% <ø> (ø)

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