sweet/harnesses: update gVisor for 1.19 compatibility

https://github.com/google/gvisor/commit/adc7bb5e1baf4a7489e428e1fad756e5e2aa3410
includes https://gvisor.dev/pr/7252, which allows gVisor to build with a
Go 1.19 toolchain.

For golang/go#51445.

Change-Id: I9f352d1bdd2bf57a4dc91bac989d14d3a08db6c0
Reviewed-on: https://go-review.googlesource.com/c/benchmarks/+/390954
Trust: Michael Pratt <mpratt@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
diff --git a/sweet/harnesses/gvisor.go b/sweet/harnesses/gvisor.go
index bd16741..85be166 100644
--- a/sweet/harnesses/gvisor.go
+++ b/sweet/harnesses/gvisor.go
@@ -29,7 +29,7 @@
 		srcDir,
 		"https://github.com/google/gvisor",
 		"go",
-		"6392b0f3bea052af0de9d95677233dd9e442dbd5", // release-20210906.0-38-gb28bd31bb
+		"adc7bb5e1baf4a7489e428e1fad756e5e2aa3410", // release-20220228.0-4233-gadc7bb5e1
 	)
 }