[SRE-SYM][synthetic-monitoring-agent] Downgrade helm-docs

Author: hnajib-sym

charts/synthetic-monitoring-agent/README.md

@@ -74,4 +74,4 @@ Grafana's Synthetic Monitoring application. The agent provides probe functionali
 | tolerations | list | `[]` | List of node taints to tolerate. |
 
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-Autogenerated from chart metadata using [helm-docs v1.14.2](https://github.com/norwoodj/helm-docs/releases/v1.14.2)
+Autogenerated from chart metadata using [helm-docs v1.8.1](https://github.com/norwoodj/helm-docs/releases/v1.8.1)