Update runc binary to v1.0.0-rc94

Signed-off-by: Jintao Zhang <zhangjintao9020@gmail.com>
(cherry picked from commit 8c019e830a6c735c81301bdc780925343ebcf8e2)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

hack/dockerfile/install/runc.installer

@@ -4,7 +4,7 @@
 # The version of runc should match the version that is used by the containerd
 # version that is used. If you need to update runc, open a pull request in
 # the containerd project first, and update both after that is merged.
-: ${RUNC_COMMIT:=12644e614e25b05da6fd08a38ffa0cfe1903fdec} # v1.0.0-rc93
+: ${RUNC_COMMIT:=2c7861bc5e1b3e756392236553ec14a78a09f8bf} # v1.0.0-rc94
 
 install_runc() {
 	# If using RHEL7 kernels (3.10.0 el7), disable kmem accounting/limiting