package/nodejs: security bump to version 12.16.0

package/nodejs: security bump to version 12.16.0

Fixes the following security issues (12.15.0):

- CVE-2019-15606: HTTP header values do not have trailing OWS trimmed

- CVE-2019-15605: HTTP request smuggling using malformed Transfer-Encoding
  header

- CVE-2019-15604: Remotely trigger an assertion on a TLS server with a
  malformed certificate string

For more details, see the advisory:
https://nodejs.org/en/blog/vulnerability/february-2020-security-releases/

On top of this, 12.16.0 brings a number of changes and bugfixes.

Update the license hash for an addition of the (MIT) licensing terms for the
uvwsai module:

+
+- uvwasi, located at deps/uvwasi, is licensed as follows:
+  """
+    MIT License
+
+    Copyright (c) 2019 Colin Ihrig and Contributors
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+  """

While we are at it, adjust the white space in the .hash function to match
the new agreements.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>