Update current_tasks.md (#965)

add AV-SpeakerBench to the current_tasks.md in docs.

Author: plnguyen2908

docs/current_tasks.md

@@ -185,6 +185,7 @@ python -m lmms_eval --tasks list_with_num
 - [VisualWebBench](https://visualwebbench.github.io/) (visualwebbench)
 - [V*-Bench](https://github.com/V-Bench/V-Bench) (vstar_bench)
 - [WorldSense](https://worldsense.github.io/) (worldsense)
+- [AV-SpeakerBench](https://plnguyen2908.github.io/AV-SpeakerBench-project-page/) (av-speakerbench)
 
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