Release v0.16.3

* Add method to change log level at runtime
* Include script results in debug output
* Use a custom collector to avoid checking labels

Signed-off-by: Marcelo E. Magallon <marcelo.magallon@grafana.com>

CHANGELOG.md

@@ -2,6 +2,9 @@
 ## [Unreleased]
 
 
+<a name="v0.16.3"></a>
+## [v0.16.3] - 2023-06-12
+
 <a name="v0.16.2"></a>
 ## [v0.16.2] - 2023-06-07
 
@@ -437,7 +440,8 @@
 <a name="v0.0.1"></a>
 ## v0.0.1 - 2020-06-24
 
-[Unreleased]: https://github.com/grafana/synthetic-monitoring-agent/compare/v0.16.2...HEAD
+[Unreleased]: https://github.com/grafana/synthetic-monitoring-agent/compare/v0.16.3...HEAD
+[v0.16.3]: https://github.com/grafana/synthetic-monitoring-agent/compare/v0.16.2...v0.16.3
 [v0.16.2]: https://github.com/grafana/synthetic-monitoring-agent/compare/v0.16.1...v0.16.2
 [v0.16.1]: https://github.com/grafana/synthetic-monitoring-agent/compare/v0.16.0...v0.16.1
 [v0.16.0]: https://github.com/grafana/synthetic-monitoring-agent/compare/v0.15.0...v0.16.0