Security update for nodejs12

Open Source Vulnerabilities SUSE-SU-2020:0059-1

This update for nodejs12 fixes the following issues: Update to LTS release 12.13.0 (jsc#SLE-8947). Security issues fixed: - CVE-2019-9511: Fixed the HTTP/2 implementation that was vulnerable to window size manipulations (bsc#1146091). - CVE-2019-9512: Fixed the HTTP/2 implementation that was vulnerable to floods using PING frames (bsc#1146099). - CVE-2019-9513: Fixed the HTTP/2 implementation that was vulnerable to resource loops, potentially leading to a denial of service (bsc#1146094). - CVE-2019-9514: Fixed the HTTP/2 implementation that was vulnerable to a reset flood, potentially leading to a denial of service (bsc#1146095). - CVE-2019-9515: Fixed the HTTP/2 implementation that was vulnerable to a SETTINGS frame flood (bsc#1146100). - CVE-2019-9516: Fixed the HTTP/2 implementation that was vulnerable to a header leak, potentially leading to a denial of service (bsc#1146090). - CVE-2019-9517: Fixed the HTTP/2 implementation that was vulnerable to unconstrained interal data buffering (bsc#1146097). - CVE-2019-9518: Fixed the HTTP/2 implementation that was vulnerable to a flood of empty frames, potentially leading to a denial of service (bsc#1146093). - CVE-2019-13173: Fixed a file overwrite in the fstream.DirWriter() function (bsc#1140290).