Fix compiling on 6.1 #1182

Job	Run time
Construct integration test matrix	3s
Vsock tests	2m 18s
Benchmarks / Construct Benchmarks matrix	2s
Cxx interop / Construct Cxx interop matrix	4s
Unit tests / Construct unit test matrix	2s
Soundness / API breakage check	2m 6s
Soundness / Documentation check	2m 13s
Soundness / Unacceptable language check	3s
Soundness / License headers check	10s
Soundness / Broken symlinks check	2s
Soundness / Format check	43s
Soundness / Shell check	34s
Soundness / YAML lint check	3s
Soundness / Python lint check	4s
Unit tests / Unit tests / Linux (5.9)	3m 50s
Unit tests / Unit tests / Linux (5.10)	3m 45s
Unit tests / Unit tests / Linux (6.0)	3m 51s
Unit tests / Unit tests / Linux (nightly-6.0)	3m 49s
Unit tests / Unit tests / Linux (nightly-main)	3m 49s
Benchmarks / Benchmarks / Linux (5.9)	3m 53s
Benchmarks / Benchmarks / Linux (5.10)	3m 54s
Benchmarks / Benchmarks / Linux (6.0)	3m 54s
Benchmarks / Benchmarks / Linux (nightly-6.0)	3m 54s
Benchmarks / Benchmarks / Linux (nightly-main)	3m 54s
Integration tests / Linux (5.9)	3m 54s
Integration tests / Linux (5.10)	2m 17s
Integration tests / Linux (6.0)	3m 55s
Integration tests / Linux (nightly-6.0)	3m 56s
Integration tests / Linux (nightly-main)	3m 55s
Cxx interop / Cxx interop / Linux (5.9)	1m 8s
Cxx interop / Cxx interop / Linux (5.10)	1m 6s
Cxx interop / Cxx interop / Linux (6.0)	1m 14s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 31s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 31s
	1h 11m 27s

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