use date-fns for relative time

package.json

@@ -33,7 +33,7 @@
     "@primer/octicons-react": "^16.2.0",
     "@sentry/node": "^6.16.1",
     "copy-to-clipboard": "^3.3.1",
-    "dayjs": "^1.10.7",
+    "date-fns": "^2.27.0",
     "faunadb": "^4.4.1",
     "get-canonical-url": "^1.1.0",
     "get-stream": "^6.0.1",
@@ -62,7 +62,7 @@
     "babel-loader": "^8.2.3",
     "clean-css": "^5.2.2",
     "copy-webpack-plugin": "^10.1.0",
-    "core-js": "^3.19.3",
+    "core-js": "^3.20.0",
     "css-loader": "^6.5.1",
     "css-minimizer-webpack-plugin": "^3.2.0",
     "del": "^6.0.0",