Pin dependency @reacticons/ionicons to v6.0.3 (#138)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -27,7 +27,7 @@
     "@material-ui/icons": "4.11.2",
     "@material-ui/lab": "4.0.0-alpha.58",
     "@react-spring/web": "9.5.4",
-    "@reacticons/ionicons": "^6.0.3",
+    "@reacticons/ionicons": "6.0.3",
     "html-react-parser": "1.4.14",
     "linkifyjs": "3.0.0-beta.3",
     "react": "16.14.0",