fix(deps): update dependency sharp to v0.26.0 (#8578)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

install/package.json

@@ -111,7 +111,7 @@
         "sanitize-html": "^1.23.0",
         "semver": "^7.2.1",
         "serve-favicon": "^2.5.0",
-        "sharp": "0.25.4",
+        "sharp": "0.26.0",
         "sitemap": "^6.1.0",
         "socket.io": "2.3.0",
         "socket.io-adapter-cluster": "^1.0.1",