Update dependency grafana/grafana-polystat-panel to v2.0.5

This MR contains the following updates:

Package	Type	Update	Change
grafana/grafana-polystat-panel	ironbank-github	patch	v2.0.4 -> v2.0.5

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Release Notes

grafana/grafana-polystat-panel

v2.0.5

Compare Source

• Fix for Issue #​249, bug in migrations when upgrading plugin
• Fix for Issue #​256, global override editor displays wrong column
• Fix for low-risk XSS in composite animations

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