package/nodejs: security bump to version 8.15.1

Fixes the following security issues:

Node.js: Slowloris HTTP Denial of Service with keep-alive (CVE-2019-5737)
OpenSSL: 0-byte record padding oracle (CVE-2019-1559)

For more details, see the CHANGELOG:
https://github.com/nodejs/node/blob/master/doc/changelogs/CHANGELOG_V8.md#8.15.1

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 18ae511d81846b9f28b34940e5f36d3ca95648f0)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/nodejs/nodejs.hash

@@ -1,5 +1,5 @@
-# From https://nodejs.org/dist/v8.15.0/SHASUMS256.txt
-sha256 968523333947cc3f769d73dedc6c9c60580826d8714bc0e62ca4589de6a7c633  node-v8.15.0.tar.xz
+# From https://nodejs.org/dist/v8.15.1/SHASUMS256.txt
+sha256 6b6486a3f452624941f6e11dd5f878c298d43e9c21b5f43ca1721dc7ce25add1  node-v8.15.1.tar.xz
 
 # Hash for license file
 sha256 b87be6c1479ed977481115869c2dd8b6d59e5ea55aa09939d6c898242121b2f5  LICENSE

package/nodejs/nodejs.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-NODEJS_VERSION = 8.15.0
+NODEJS_VERSION = 8.15.1
 NODEJS_SOURCE = node-v$(NODEJS_VERSION).tar.xz
 NODEJS_SITE = http://nodejs.org/dist/v$(NODEJS_VERSION)
 NODEJS_DEPENDENCIES = host-python host-nodejs c-ares \