Merge pull request #492 from Scalingo/chore/mongodb-1.21.0

chore(mongodb): release of MongoDB driver 1.21.0

Author: Frzk

conf/buildpack.conf

@@ -48,7 +48,7 @@ webp_version="${webp_version:-1.3.2}" # Can be found here: https://storage.googl
 # From https://zlib.net/
 zlib_version="${zlib_version:-1.3.1}"
 igbinary_version="3.2.16"
-mongodb_version="1.20.1"
+mongodb_version="1.21.0"
 amqp_version="2.1.2"
 phpredis_version="6.1.0"
 apcu_version="5.1.24"