vendor: update github.com/opencontainers/runc to main

it is not possible yet to drop the override since the latest released
version has an indirect dependency on github.com/cilium/ebpf that
causes the binary to grow by ~1MB.  Once there is a new runc version,
we can drop the override.

For now just bump to the latest version on main, since we are using a
year old version at this point.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/cpu.go

@@ -94,6 +94,14 @@ func (s *CpuGroup) Set(path string, r *configs.Resources) error {
 			}
 		}
 	}
+
+	if r.CPUIdle != nil {
+		idle := strconv.FormatInt(*r.CPUIdle, 10)
+		if err := cgroups.WriteFile(path, "cpu.idle", idle); err != nil {
+			return err
+		}
+	}
+
 	return s.SetRtSched(path, r)
 }