release: Release opentelemetry-instrumentation-active_record 0.1.0 (#867)

Co-authored-by: Daniel Azuma <[email protected]>

Author: github-actions[bot]

instrumentation/active_record/CHANGELOG.md

@@ -1 +1,5 @@
 # Release History: opentelemetry-instrumentation-active_record
+
+### v0.1.0 / 2021-07-08
+
+* Initial release, adds instrumentation patches to querying and persistence methods.