Enable stale PR action (#1756)
Enable stale PR action (#1756)

To help reviewers and authors remember to make progress on PR
this action will mark PRs as stale after inactivity of 7 days
and will close the PR after 7 more days of inactivity.
open-telemetry/opentelemetry-collector,open-telemetry/opentelemetry-collector,open-telemetry/opentelemetry-collector-contrib,open-telemetry/opentelemetry-collector,open-telemetry/opentelemetry-collector-contrib