chore(deps): bump smiley-http-proxy-servlet from 1.10 to 1.12

Bumps [smiley-http-proxy-servlet](https://github.com/dsmiley/HTTP-Proxy-Servlet) from 1.10 to 1.12.
- [Release notes](https://github.com/dsmiley/HTTP-Proxy-Servlet/releases)
- [Changelog](https://github.com/mitre/HTTP-Proxy-Servlet/blob/master/CHANGES.md)
- [Commits](https://github.com/dsmiley/HTTP-Proxy-Servlet/compare/smiley-http-proxy-servlet-1.10...smiley-http-proxy-servlet-1.12

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>