perf(shwap/bitswap): add session pools inside Getter #9710

Job	Run time
setup	1s
Markdown Lint	8s
yamllint	9s
hadolint / hadolint	7s
goreleaser	0s
upload-docs	0s
go-ci / Setup	1s
go-ci / Go Mod Tidy Check	30s
go-ci / Lint	2m 23s
go-ci / Lint Imports	7s
go-ci / Unit Tests Coverage (ubuntu-latest)	5m 9s
go-ci / Unit Tests Coverage (macos-14)	4m 27s
go-ci / Integration Tests / Da Tests Sync	2m 37s
go-ci / Integration Tests / Integration Tests Blob	2m 53s
go-ci / Integration Tests / Integration Tests API	3m 6s
go-ci / Integration Tests / Integration Tests Fraud	2m 26s
go-ci / Integration Tests / Integration Tests p2p	2m 54s
go-ci / Integration Tests / Integration Tests Reconstruction	2m 28s
go-ci / Integration Tests / Integration Tests ND	2m 41s
go-ci / Integration Tests / Integration Tests Sync	6m 45s
go-ci / Integration Tests / Integration Tests Sync	2m 49s
	41m 41s

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