runtime: suggest more kernel options for mlock failure
runtime: suggest more kernel options for mlock failure

Some Linux distributions will continue to provide 5.3.x kernels for a
while rather than 5.4.x.

Updates #35777

Change-Id: I493ef8338d94475f4fb1402ffb9040152832b0fd
Reviewed-on: https://go-review.googlesource.com/c/go/+/210299
Reviewed-by: Austin Clements <7ea35d812706d9213868749011af1ed4fa2f6aa0@google.com>

nawawi/go,cloudflare/go,CAFxX/go,golang/go,cloudflare/go,cloudflare/go,akutz/go,CAFxX/go,golang/go,nawawi/go,akutz/go,nawawi/go,akutz/go,golang/go,CAFxX/go,golang/go,akutz/go,nawawi/go,cloudflare/go,cloudflare/go,golang/go,cloudflare/go,golang/go,CAFxX/go,cloudflare/go,akutz/go,akutz/go,cloudflare/go,CAFxX/go,golang/go,nawawi/go,nawawi/go,CAFxX/go,CAFxX/go,CAFxX/go,akutz/go,akutz/go,nawawi/go,golang/go,nawawi/go