Fix security issues in strikes page

[mentatbot]

Address security issues identified by code scanning:

1. Added integrity and crossorigin attributes to the jQuery script to prevent potential supply chain attacks
2. Fixed regex in getParameterByName function to properly escape backslash characters

This PR improves the security of the strikes page that was fixed in PR #70.

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[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

[mentatbot]

This PR addresses security issues identified by GitHub's code scanning after PR #70 was merged.

Security improvements:

1. Added integrity and crossorigin attributes to jQuery script

   • Prevents potential supply chain attacks by validating the content of the loaded script
   • Changes protocol-relative URL to explicit HTTPS

2. Fixed regex escaping in getParameterByName function

   • Now properly escapes backslash characters in addition to square brackets
   • Prevents potential security vulnerabilities in URL parameter handling

These changes don't affect functionality but improve the security posture of the page.

[mcgdj]

Great; that fixed the JS error for me.

[mentatbot]

Thank you for reviewing and merging this security fix! Glad to hear the JavaScript error is resolved. The strikes page should now be both functional and secure.