[pull] master from getsentry:master#212

Merged

pull[bot] merged 4 commits intocode-watch:masterfrom

getsentry:master

Oct 2, 2020

Commits on Oct 1, 2020

feat(rum): Add measurements histogram endpoint (#21022)
Zylphrex
authored
feat(performance): adds transactions for external linked issues (#21099)
Stephen Cefali
authored
fix(rum): Serializer should use CharField not Field (#21103)
Zylphrex
authored
check date deleted for installable sentry apps (#21100)
Stephen Cefali
authored