Bump GITALY_SERVER_VERSION to v1.48.0
Bump GITALY_SERVER_VERSION to v1.48.0
mmkassem/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq