Fix bug

[iamscottxu]

⚡️ Breaking Changes

• Qt5 and Ubuntu 20.04 are no longer supported.
• OBS Studio 29 or earlier is no longer supported.

🚀 New Features

• rtsp-server: Added frame auto-drop feature to solve the problem of delay accumulation.(#102)
• ui: Added dropped frames and total frames display.(#102)
• locale: Added translation for "Dropped frames".

💊 Bugfixes

• rtsp-output: Fixed the bug of incomplete multicast port display during log output.
• rtsp-output: Removed code that is no longer supported in OBS Studio 30.
• rtsp-output: Fixed a bug in OBS Studio 30 where output could not be started if no audio tracks was selected. (Since the AV Output of OBS Studio 30 no longer supports outputting video alone, the situation where no audio tracks is selected to output is changed to ignore the encoded audio)(#166)
• rtsp-output: Fixed the bug that OBS Studio 30.0.0 and above cannot start output.(#154)
• rtsp-server: Fixed compilation errors.
• rtsp-output: Fixed the bug that the SPP header could not be obtained when using the jim-nvenc encoder. (#128)

🏎️ Performance Improvements

• rtsp-output: Simplified the way audio tracks configurations are stored in configuration files.
• ui: Optimized the code.
• rtsp-server: Optimized the code.
• locale: Improved "Total Data Output" and "Bitrate" translation in zh-TW.

🏗️ Build System

• Eliminate Github actions warning.
• macos: Updated installation script for Packages.app.
• macos: Updated Hash of Packages.dmg.
• macos: Fixed the bug that the macOS version could not find the obs-frontend-api dynamic link library.
• Fixed a script error that would cause the wrong version of Linux packages.
• Updated github actions version.
• Updated dependent version.

🪚 Refactors

• Eliminated compiler warning, replaced "sprintf" with "snprintf".
• rtsp-output: Removed redundant code.
• Eliminated compilation warnings for unused function.
• rtsp-server: Eliminated compilation warnings for goto statements.

🧹 Chores

• locale: Added localized text in en-US.ini.

Full Changelog: v3.0.0...v3.1.0-rc1