chore(deps): pin dependency dayjs to 1.10.4

Author: renovate-bot

package.json

@@ -66,7 +66,7 @@
  "check-code-coverage": "1.10.0",
  "console-log-div": "0.6.3",
  "cypress": "6.3.0",
- "dayjs": "^1.10.4",
+ "dayjs": "1.10.4",
  "express": "4.17.1",
  "lodash": "4.17.20",
  "markdown-link-check": "3.8.6",