Add buffer read to `AudioBufferManager` and `I2S`. #2653

Job	Run time
Spelling, Style, Boards, Package	3m 28s
Mac (macOS-13)	3m 30s
Build 0	6m 34s
Mac (macOS-14)	2m 42s
Build PlatformIO Examples	3m 33s
Build 1	7m 52s
Build RP2350 0	6m 12s
Build 2	8m 8s
Build RP2350 1	6m 43s
Build RP2350-RISCV 0	6m 34s
Build 3	8m 8s
Build TinyUSB Examples	4m 32s
Build RP2350 2	7m 2s
Build 4	7m 39s
Build RP2350-RISCV 1	6m 48s
Build RP2350 3	6m 49s
Build 5	6m 56s
Build RP2350-RISCV 2	6m 39s
Build Every Variant 0	6m 56s
Build RP2350 4	6m 55s
Build RP2350-RISCV 3	6m 34s
Build Every Variant 1	6m 52s
Build RP2350 5	6m 52s
Windows	3m 25s
Build RP2350-RISCV 4	6m 29s
Build RP2350-RISCV 5	6m 33s
	2h 40m 25s

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