feat: remove lifetimes from runtime objects #469

Job	Run time
Build wasm	1m 26s
Run tests on macOS arm64 (Apple M1)	59s
Run tests on Linux x86 (nightly)	51s
Run tests on Linux x86 (stable, no default features)	49s
Run tests on Linux armv7	1m 5s
Run tests on Linux x86 (stable)	49s
Run tests on Linux x86 (nightly, no default features)	50s
Run tests on Linux arm64	1m 4s
	7m 53s

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