Remove unicode line seperator characters (#2830)

U+2028, https://www.fileformat.info/info/unicode/char/2028/index.htm, do not display well in many tools, and were not likely intentional.

Author: sam-github

locale/en/blog/vulnerability/december-2019-security-releases.md

@@ -7,7 +7,7 @@ layout: blog-post.hbs
 author: Michael Dawson 
 ---
 
-# Summary


+# Summary
 
 The Node.js project will release new versions of all supported release lines on or shortly after Tuesday December 17, 2019 UTC. For versions 8, 10, and 12 the only update to the runtime in these releases will be an updated version of npm addressing the vulnerability announced in https://blog.npmjs.org/post/189618601100/binary-planting-with-the-npm-cli. Version 13, while still being a security release, will include all commits that were scheduled to be included in the originally scheduled release.
 
@@ -17,12 +17,12 @@ In the meantime, users should update to npm 6.13.4 by following the instructions
 
 All versions of Node.js are vulnerable including the LTS and current releases: Node.js 8 (LTS "Carbon"), Node.js 10 (LTS "Dubnium") , Node.js 12 (LTS "Erbium"), and Node.js 13.
 
-# Release timing

+# Release timing
 
 Releases will be available at, or shortly after, Tuesday, December 17, 2019 UTC.
 
-# 
Contact and future updates


+# Contact and future updates
 
-The current Node.js security policy can be found at https://nodejs.org/en/security/.

 Please follow the process outlined in https://github.com/nodejs/node/blob/master/SECURITY.md if you wish to report a vulnerability in Node.js.


+The current Node.js security policy can be found at https://nodejs.org/en/security/.  Please follow the process outlined in https://github.com/nodejs/node/blob/master/SECURITY.md if you wish to report a vulnerability in Node.js.
 
-Subscribe to the low-volume announcement-only nodejs-sec mailing list at https://groups.google.com/forum/#!forum/nodejs-sec to stay up to date on security vulnerabilities and security-related releases of Node.js and the projects maintained in the nodejs GitHub organization. 
+Subscribe to the low-volume announcement-only nodejs-sec mailing list at https://groups.google.com/forum/#!forum/nodejs-sec to stay up to date on security vulnerabilities and security-related releases of Node.js and the projects maintained in the nodejs GitHub organization.