Log Message:
openh264: updated to 2.4.1

v2.4.1
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- Fix off by one regression in decoder
- Add security policy
- Fix glitches that sometimes happen near the scene changes

v2.4.0
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- Add LoongArch SIMD
- Support Android NDK r20 (also r21)
- Support using gradle to build Android demo and unittest
- Bug fixes