chore(package-lock.json): run npm dedup.

[INFO] Running 'npm dedupe' in /Users/coder/git/mystamps.git/src/main/frontend
[INFO] removed 26 packages, moved 38 packages and audited 3079 packages in 3.868s

See for details: https://docs.npmjs.com/cli/dedupe.html

No functional changes.

Author: php-coder