Update redhat/ubi8 Docker digest to bf6868a (main) (nginx#9063)

Update redhat/ubi8 Docker digest to bf6868a

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

build/Dockerfile

@@ -511,7 +511,7 @@ RUN --mount=type=secret,id=nginx-repo.crt,dst=/etc/ssl/nginx/nginx-repo.crt,mode
 
 
 ############################################# Base image for UBI8 with NGINX Plus and App Protect WAF #############################################
-FROM redhat/ubi8@sha256:11ee30ae979707e149076aa4a0cb79e3cd81875cf43ed5596a7abf59440d6491 AS ubi-8-plus-nap
+FROM redhat/ubi8@sha256:bf6868a6f7ca34ea53d8b0ba01cbcee5af44d359732be84e3d1185d4aecb2a8e AS ubi-8-plus-nap
 ARG NGINX_PLUS_VERSION
 ARG NAP_WAF_VERSION
 ARG BUILD_OS
@@ -552,7 +552,7 @@ RUN --mount=type=secret,id=nginx-repo.crt,dst=/etc/ssl/nginx/nginx-repo.crt,mode
 
 
 ############################################# Base image for UBI8 with NGINX Plus and App Protect WAFv5  #############################################
-FROM redhat/ubi8@sha256:11ee30ae979707e149076aa4a0cb79e3cd81875cf43ed5596a7abf59440d6491 AS ubi-8-plus-nap-v5
+FROM redhat/ubi8@sha256:bf6868a6f7ca34ea53d8b0ba01cbcee5af44d359732be84e3d1185d4aecb2a8e AS ubi-8-plus-nap-v5
 ARG NGINX_PLUS_VERSION
 ARG NAP_WAF_VERSION
 ARG NAP_AGENT_VERSION

build/dependencies/Dockerfile.ubi8

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.21
-FROM redhat/ubi8@sha256:11ee30ae979707e149076aa4a0cb79e3cd81875cf43ed5596a7abf59440d6491 AS rpm-build
+FROM redhat/ubi8@sha256:bf6868a6f7ca34ea53d8b0ba01cbcee5af44d359732be84e3d1185d4aecb2a8e AS rpm-build
 RUN mkdir -p /rpms/ \
     && dnf install rpm-build gcc make cmake -y \
     && rpmbuild --rebuild --nodebuginfo https://mirror.stream.centos.org/9-stream/BaseOS/source/tree/Packages/c-ares-1.19.1-2.el9.src.rpm \