Fix npm security vulnerabilities

[aranke]

Summary

• Update prismjs to >=1.30.0 to address DOM Clobbering vulnerability (Medium severity)
• Add elliptic >=6.6.1 to fix critical security vulnerability
• Pin braces to >=3.0.3 to fix high severity vulnerability
• Add explicit version requirements for other dependencies with security issues

Test plan

• Package installs correctly with npm install
• Application builds and runs normally
• Note: This PR fixes direct and some transitive dependencies but doesn't address all vulnerabilities that would require breaking changes

🤖 Generated with Claude Code

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