fix: upgrade diff2html from 3.1.17 to 3.4.47

Snyk has created this PR to upgrade diff2html from 3.1.17 to 3.4.47.

See this package in npm:
https://www.npmjs.com/package/diff2html

See this project in Snyk:
https://app.snyk.io/org/contentstack-cli/project/bfbe8b26-89e5-4fbf-93c3-29ae87f853ad?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -14,7 +14,7 @@
     "@types/tmp": "^0.2.2",
     "axios": "^1.6.5",
     "cli-ux": "^5.5.0",
-    "diff2html": "^3.1.17",
+    "diff2html": "^3.4.47",
     "git-diff": "^2.0.6",
     "moment": "^2.29.1",
     "node-graphviz": "^0.1.1",