Pin posthog version
Pin posthog version

We'd like to manually review each posthog change to avoid unanticipated tracking leakages;
each upgrade should include reviewing the data coming in on events

matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk