feat: Environment limitation for custom queries

[blasget]

Introduction

Technical solution before this PR

Custom queries defined in the app-config.yaml or catalog-info.yaml were executed against all specified environments.

Technical solution after this PR

It is possible to specify the environments in which each query defined in the app-config.yaml and catalog-info.yaml is executed.

By default, queries are executed against all defined environments.

The configuration looks like this:

dynatrace:
  queries:
    - id: davis-events
      description: Fetches all Davis events
      environments:
        - tenant1
        - tenant2
      query: >
        fetch events | filter event.kind == "DAVIS_EVENT" | fields event.kind, timestamp

:heavy_check_mark: Common checklist

• [x] Added tests for new functionality and regression tests for bug fixes
• [x] Screenshots of before and after attached (for UI changes)
• [x] Added or updated documentation (if applicable)
• [x] Helpful resources linked (if applicable)