Add marker for memory storage for async storages #1336

Job	Run time
test (3.9, not (integration or benchmark), ubuntu-latest)	9m 20s
lint (3.9)	1s
test (3.10, not benchmark, ubuntu-latest)	9m 44s
lint (3.10)	32s
test (3.11, not benchmark, ubuntu-latest)	9m 41s
lint (3.11)	33s
test (3.12, not benchmark, ubuntu-latest)	9m 59s
test (3.13, not benchmark and not (asyncio and memcached), ubuntu-latest)	9m 47s
lint (3.12)	23s
lint (3.13)	1s
Build wheel	0s
Build source distribution	0s
benchmark (3.11)	4m 14s
upload_pypi	0s
upload_pypi_release	0s
Create Release	0s
	54m 15s

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