🚀 Filter workspaces by current run status

[arybolovlev]

Description

This PR introduces a new approach for fetching workspaces that have pending current runs:

• The List Workspaces API call has been extended to include filtering by the current run status, reducing the number of required API calls.
• Add pagination handling to make sure all necessary workspaces are listed.
• Add new log messages.

Tests

• https://github.com/hashicorp/terraform-cloud-operator/actions/runs/9481629353
• https://github.com/hashicorp/terraform-cloud-operator/actions/runs/9481630521
• https://github.com/hashicorp/terraform-cloud-operator/actions/runs/9481631744
• https://github.com/hashicorp/terraform-cloud-operator/actions/runs/9481633140

Usage Example

N/A.

References

• Add workspace list filter by current run status go-tfe#899
• Depends on: 🚀 Update Agent Pool requeue duration logic #420

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