Bump protobuf from 3.11.2 to 3.15.0 in /Deploying_Streamlit_Apps_To_GCP#19

dependabot[bot] wants to merge 1 commit intomasterJcharis/Streamlit_DataScience_Apps:masterfrom

dependabot/pip/Deploying_Streamlit_Apps_To_GCP/protobuf-3.15.0Jcharis/Streamlit_DataScience_Apps:dependabot/pip/Deploying_Streamlit_Apps_To_GCP/protobuf-3.15.0Copy head branch name to clipboard