chore(deps): update registry.redhat.io/ubi8/ubi:latest docker digest to a7e3d45

Signed-off-by: red-hat-konflux-kflux-prd-rh02 <190377777+red-hat-konflux-kflux-prd-rh02[bot]@users.noreply.github.com>

Author: red-hat-konflux-kflux-prd-rh02[bot]

.konflux/dockerfiles/tkn.Dockerfile

@@ -1,6 +1,6 @@
 # Rebuild trigger: 1.15.4 release 2026-01-19
 ARG GO_BUILDER=brew.registry.redhat.io/rh-osbs/openshift-golang-builder:v1.23
-ARG RUNTIME=registry.redhat.io/ubi8/ubi:latest@sha256:8bd1b6306f8164de7fb0974031a0f903bd3ab3e6bcab835854d3d9a1a74ea5db
+ARG RUNTIME=registry.redhat.io/ubi8/ubi:latest@sha256:a7e3d45d7ab598aefed9e2691ad9c368bb6b2db06f4cd4473d32eabfd0078519
 ARG PAC_BUILDER=quay.io/openshift-pipeline/pipelines-pipelines-as-code-cli-rhel8@sha256:9e48b69be27efc7ee21f467e68f200cb3ef103dc671e4515b06f8ac41e6c4d2e
 
 FROM $GO_BUILDER AS builder