Bump proxy-addr from 1.1.4 to 2.0.7 (#263)

Bumps [proxy-addr](https://github.com/jshttp/proxy-addr) from 1.1.4 to 2.0.7.
- [Release notes](https://github.com/jshttp/proxy-addr/releases)
- [Changelog](https://github.com/jshttp/proxy-addr/blob/master/HISTORY.md)
- [Commits](https://github.com/jshttp/proxy-addr/compare/v1.1.4...v2.0.7)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Karol Wrótniak <karol.wrotniak@droidsonroids.pl>

package.json

@@ -73,7 +73,7 @@
     "passport-saml": "^0.15.0",
     "please-update-dependencies": "^2.0.0",
     "protobufjs": "^3.8.2",
-    "proxy-addr": "^1.0.10",
+    "proxy-addr": "^2.0.7",
     "pug": "^2.0.0-beta4",
     "request": "^2.67.0",
     "request-progress": "^2.0.1",