Update dependency grafana/grafana-polystat-panel to v2.1.3

This MR contains the following updates:

Package	Type	Update	Change
grafana/grafana-polystat-panel	ironbank-github	patch	v2.1.2 -> v2.1.3

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Release Notes

grafana/grafana-polystat-panel

v2.1.3

Compare Source

• Bump to Node 18
• Update package
• Fix for SQL result processing [#​309] and #​269
• Fix for tooltip crashing #​307
• NEW: Global Regex Aliasing for composites #​301

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