carto/grpc @ 163a2d540ce18bcc0df757dcc789c8ee214e34d4

Yang Gao 3ed874c861 sync up with master		11 lat temu
..
base64_test.c	befd26501a Adding base utils for JWT service account workflow. OpenSSL base64 decoding is	11 lat temu
credentials_test.c	82df7446ae Remove use of sprintf	11 lat temu
fetch_oauth2.c	1a809c0ebb Adding support for service account credentials.	11 lat temu
json_token_test.c	336bf21127 Fix opensource build test.	11 lat temu
secure_endpoint_test.c	5fd0d29dfe run clang-format	11 lat temu