Add Python Service Bus 7.0.0b7 (October) release notes.#1887

Merged

xiangyan99 merged 2 commits intoAzure:masterfrom KieranBrantnerMagee:kibrantn/servicebus/update-releases-with-7.0.0b7

Oct 5, 2020

+8-4

Commits on Oct 5, 2020