Add release notes for 1.0.1 release

Signed-off-by: Sruti Parthiban <partsrut@amazon.com>

licenses/performanceanalyzer-rca-1.0.1.0.jar.sha1

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+327571e7c9aed2697940fb9fcae3b806ec970db8

release-notes/opensearch-performance-analyzer.release-notes-1.0.1.0.md

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+## Version 1.0.1.0 Release Notes
+
+Compatible with OpenSearch 1.0.0
+
+### Bug fixes
+
+* Create writer file only if metrics are present ([#23](https://github.com/opensearch-project/performance-analyzer-rca/pull/23))
+* Fixing Event Log file cleanup issue ([#30](https://github.com/opensearch-project/performance-analyzer-rca/pull/30))
+* Create writer file if metrics are available ([#31](https://github.com/opensearch-project/performance-analyzer/pull/31))
+* Addressing the spotbug failure ([#31](https://github.com/opensearch-project/performance-analyzer-rca/pull/31))
+* Fixing Event Log file cleanup issue ([#36](https://github.com/opensearch-project/performance-analyzer/pull/36))
+* Handling purging of lingering files before scheduleExecutor start ([#37](https://github.com/opensearch-project/performance-analyzer/pull/37))
+* Fix failing file handler test ([#38](https://github.com/opensearch-project/performance-analyzer/pull/38))
+* Add privileges for removing files ([#45](https://github.com/opensearch-project/performance-analyzer-rca/pull/45))
+* Fix build to succeed with opensearch_version provided ([#52](https://github.com/opensearch-project/performance-analyzer/pull/52))
+
+### Maintenance
+
+* Add tests to check for writer file only if metrics are present ([#35](https://github.com/opensearch-project/performance-analyzer/pull/35))
+* Fixing the linker error, updating from docs-beta to official document ([#32](https://github.com/opensearch-project/performance-analyzer/pull/32))
+* Remove dependency on main branch when running spotless ([#47](https://github.com/opensearch-project/performance-analyzer/pull/47))
+* Updates to gradle build file ([#48](https://github.com/opensearch-project/performance-analyzer/pull/48))
+* Remove dependency on main branch when running spotless check ([#54](https://github.com/opensearch-project/performance-analyzer-rca/pull/54))
+* Update the branch to 1.0.1 ([#58](https://github.com/opensearch-project/performance-analyzer/pull/58))
+* Add release notes for 1.0.1 release ([#59](https://github.com/opensearch-project/performance-analyzer/pull/59))
+* Update the branch to 1.0.1 ([#62](https://github.com/opensearch-project/performance-analyzer-rca/pull/62))