v2.8-rc1

• feat: update mind cert (old one expires 5/3/2024 new one 1/24/2026)
• feat: auto download javafx 20 for jre 17+ (19 is still used for older versions)
• feat: put temp files in a sub directory and clean up that directry on application start #10
• fix: permanently deleting a recording without a title would throw an error
• fix: deleted items was only returning the first 1,000 deleted shows
• fix: cleanup java compile deprecations for java 20