Update public libraries

docker/mingw/prepare.sh

@@ -43,22 +43,22 @@ LIBEV_URL=https://github.com/${PROJ_SITE}/libev/archive/${LIBEV_VER}.tar.gz
 # Public libraries
 
 ## mbedTLS
-MBEDTLS_VER=2.7.0
+MBEDTLS_VER=2.16.5
 MBEDTLS_SRC=mbedtls-${MBEDTLS_VER}
 MBEDTLS_URL=https://tls.mbed.org/download/mbedtls-${MBEDTLS_VER}-apache.tgz
 
 ## Sodium
 SODIUM_VER=1.0.18
-SODIUM_SRC=libsodium-${SODIUM_VER}-RELEASE
-SODIUM_URL=https://github.com/jedisct1/libsodium/archive/${SODIUM_VER}-RELEASE.tar.gz
+SODIUM_SRC=libsodium-stable
+SODIUM_URL=https://download.libsodium.org/libsodium/releases/libsodium-${SODIUM_VER}-stable.tar.gz
 
 ## PCRE
-PCRE_VER=8.41
+PCRE_VER=8.44
 PCRE_SRC=pcre-${PCRE_VER}
 PCRE_URL=https://ftp.pcre.org/pub/pcre/${PCRE_SRC}.tar.gz
 
 ## c-ares
-CARES_VER=1.14.0
+CARES_VER=1.16.0
 CARES_SRC=c-ares-${CARES_VER}
 CARES_URL=https://c-ares.haxx.se/download/${CARES_SRC}.tar.gz