chore(mongodb): release of MongoDB PHP extension 1.20.0

Author: Frzk

conf/buildpack.conf

@@ -44,7 +44,7 @@ libonig_version="${libonig_version:-6.9.8}"
 # From https://zlib.net/
 zlib_version="${zlib_version:-1.3.1}"
 igbinary_version="3.2.16"
-mongodb_version="1.19.4"
+mongodb_version="1.20.0"
 librabbitmq_version="0.14.0"
 amqp_version="2.1.2"
 phpredis_version="6.0.2"