temporarily switch to Wasmtime commit 0b632023 (#2243) #1088

Job	Run time
build and sign release assets (ubuntu-20.04, amd64, --features openssl/vendored, target/release)	14m 50s
build and sign release assets (ubuntu-20.04, aarch64, --features openssl/vendored --target aarch6...	15m 12s
build and sign release assets (macos-latest, amd64, target/release)	20m 25s
Build Spin static (aarch64, aarch64-unknown-linux-musl, -C target-feature=+fp16 -C target-feature...	14m 47s
build and sign release assets (macos-latest, aarch64, --target aarch64-apple-darwin, aarch64-appl...	46m 49s
build and sign release assets (windows-latest, amd64, .exe, target/release)	27m 37s
Build Spin static (amd64, x86_64-unknown-linux-musl, -C target-feature=+crt-static -C link-self-c...	14m 48s
generate release checksums	7s
create tag sdk/go/v*	0s
Publish to crates.io	0s
push-templates-tag	0s
Create PR with template SDK updates	0s
create GitHub release	17s
	2h 34m 52s

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