Bump xml2js, aws-sdk and rss-parser

Bumps [xml2js](https://github.com/Leonidas-from-XIV/node-xml2js) to 0.5.0 and updates ancestor dependencies [xml2js](https://github.com/Leonidas-from-XIV/node-xml2js), [aws-sdk](https://github.com/aws/aws-sdk-js) and [rss-parser](https://github.com/bobby-brennan/rss-parser). These dependencies need to be updated together.


Updates `xml2js` from 0.4.19 to 0.5.0
- [Release notes](https://github.com/Leonidas-from-XIV/node-xml2js/releases)
- [Commits](Leonidas-from-XIV/node-xml2js@0.4.19...0.5.0)

Updates `aws-sdk` from 2.1253.0 to 2.1356.0
- [Release notes](https://github.com/aws/aws-sdk-js/releases)
- [Changelog](https://github.com/aws/aws-sdk-js/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-js@v2.1253.0...v2.1356.0)

Updates `rss-parser` from 3.9.0 to 3.13.0
- [Release notes](https://github.com/bobby-brennan/rss-parser/releases)
- [Commits](rbren/rss-parser@v3.9.0...v3.13.0)

---
updated-dependencies:
- dependency-name: xml2js
  dependency-type: indirect
- dependency-name: aws-sdk
  dependency-type: direct:production
- dependency-name: rss-parser
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -52,7 +52,7 @@
     "@tensorflow/tfjs-node": "^4.4.0",
     "@testing-library/react": "^10.0.4",
     "assert": "^2.0.0",
-    "aws-sdk": "^2.1253.0",
+    "aws-sdk": "^2.1361.0",
     "babel-eslint": "^10.1.0",
     "babel-loader": "^8.1.0",
     "bad-words": "^3.0.3",
@@ -134,7 +134,7 @@
     "remark-slug": "^6.0.0",
     "request": "^2.88.0",
     "rss": "^1.2.2",
-    "rss-parser": "^3.9.0",
+    "rss-parser": "^3.13.0",
     "sanitize-html": "^2.3.2",
     "sass": "^1.44.0",
     "seedrandom": "^3.0.5",