Dockerfile: update runc binary to v1.2.3

This is the third patch release of the 1.2.z release branch of runc. It
primarily fixes some minor regressions introduced in 1.2.0.

- Fixed a regression in use of securejoin.MkdirAll, where multiple
  runc processes racing to create the same mountpoint in a shared rootfs
  would result in spurious EEXIST errors. In particular, this regression
  caused issues with BuildKit.
- Fixed a regression in eBPF support for pre-5.6 kernels after upgrading
  Cilium's eBPF library version to 0.16 in runc.

full diff: https://github.com/opencontainers/runc/compare/v1.2.2...v1.2.3
release notes: https://github.com/opencontainers/runc/releases/tag/v1.2.3

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit ec5c9e06e3)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Dockerfile

@@ -287,7 +287,7 @@ RUN git init . && git remote add origin "https://github.com/opencontainers/runc.
 # 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. When updating RUNC_VERSION,
 # consider updating runc in vendor.mod accordingly.
-ARG RUNC_VERSION=v1.2.2
+ARG RUNC_VERSION=v1.2.3
 RUN git fetch -q --depth 1 origin "${RUNC_VERSION}" +refs/tags/*:refs/tags/* && git checkout -q FETCH_HEAD
 
 FROM base AS runc-build

hack/dockerfile/install/runc.installer

@@ -9,7 +9,7 @@ set -e
 # the containerd project first, and update both after that is merged.
 #
 # When updating RUNC_VERSION, consider updating runc in vendor.mod accordingly
-: "${RUNC_VERSION:=v1.2.2}"
+: "${RUNC_VERSION:=v1.2.3}"
 
 install_runc() {
 	RUNC_BUILDTAGS="${RUNC_BUILDTAGS:-"seccomp"}"