[docs] Update expected cadence of when Transparency reports are published (#142026)

Author: cyndyishida

llvm/docs/ResponseGuide.rst

@@ -283,9 +283,7 @@ Transparency Reports
 Lack of transparency in the outcomes of our Code of Conduct incidents leaves
 our community without an understanding of how or if the organizers worked to
 resolve incidents. The CoC committee should aim to publish transparency
-reports, if reports are received, after major events (such as the LLVM
-Developers' meetings) and on the following dates: Jan 15, April 15, July 15,
-Oct 15. 
+reports, if reports are received, at least 2 times in a calendar year.
 
 A transparency report consists of 2 parts: