Bump follow-redirects from 1.15.2 to 1.15.6 in /webapp/frontend (#604)

Bumps [follow-redirects](https://github.com/follow-redirects/follow-redirects) from 1.15.2 to 1.15.6.
- [Release notes](https://github.com/follow-redirects/follow-redirects/releases)
- [Commits](https://github.com/follow-redirects/follow-redirects/compare/v1.15.2...v1.15.6)

---
updated-dependencies:
- dependency-name: follow-redirects
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Aram Akhavan <github@aram.nubmail.ca>

webapp/frontend/package-lock.json

@@ -6657,9 +6657,9 @@
             "dev": true
         },
         "node_modules/follow-redirects": {
-            "version": "1.15.2",
-            "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.2.tgz",
-            "integrity": "sha512-VQLG33o04KaQ8uYi2tVNbdrWp1QWxNNea+nmIB4EVM28v0hmP17z7aG1+wAkNzVq4KeXTq3221ye5qTJP91JwA==",
+            "version": "1.15.11",
+            "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.11.tgz",
+            "integrity": "sha512-deG2P0JfjrTxl50XGCDyfI97ZGVCxIpfKYmfyrQ54n5FO/0gfIES8C/Psl6kWVDolizcaaxZJnTS0QSMxvnsBQ==",
             "dev": true,
             "funding": [
                 {
@@ -6667,6 +6667,7 @@
                     "url": "https://github.com/sponsors/RubenVerborgh"
                 }
             ],
+            "license": "MIT",
             "engines": {
                 "node": ">=4.0"
             },