Merge pull request #1721 from alexcrichton/pooling-alloc #766

Job	Run time
build and sign release assets (ubuntu-20.04, amd64, --features openssl/vendored, target/release)	29m 22s
build and sign release assets (ubuntu-20.04, aarch64, --features openssl/vendored --target aarch6...	34m 44s
build and sign release assets (macos-latest, amd64, target/release)	31m 36s
build and sign release assets (macos-latest, aarch64, --target aarch64-apple-darwin, aarch64-appl...	33m 32s
build and sign release assets (windows-latest, amd64, .exe, target/release)	31m 30s
generate release checksums	6s
create tag sdk/go/v*	0s
push-templates-tag	0s
Create PR with template SDK updates	0s
update canary release	23s
	2h 41m 13s

Provide feedback