sysutils/nginx-ui: Update to 2.4.2

ChangeLogs:

• https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.6
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.7
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.8
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.9
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.10
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.11
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.4.0
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.4.1
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.4.2