update jQuery

[rchapman83]

Update jQuery to current version to combat medium severity vulnerabilities in library.

Fix code scanning alert - Unsafe expansion of self-closing HTML tag

Tracking issue for:

• [x] https://github.com/rchapman83/personal-web/security/code-scanning/40
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/39
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/14
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/13
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/12
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/11
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/10
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/9
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/8
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/7
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/6
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/5
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/4
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/3
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/2
• [x] https://github.com/rchapman83/personal-web/security/code-scanning/1

[rchapman83]

This has been committed to dev.