chore(deps): update quay.io/konflux-ci/oras:latest docker digest to 18fa6c0

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

Dockerfile

@@ -28,7 +28,7 @@ RUN cd exporters && \
     done
 
 # Oras binary from konflux image
-FROM quay.io/konflux-ci/oras:latest@sha256:c4fb02d6c1caa722360e0317002d5dfc2fce8a465bb3a3fdd62a3d1608105cbc as oras
+FROM quay.io/konflux-ci/oras:latest@sha256:18fa6c06c8a80ba272354f969e7a80c09d834c4889acc7079353080d7e979d33 as oras
 
 FROM registry.access.redhat.com/ubi9-micro@sha256:b498b3ea26111ab4b81d65139f2ebd2ef9a2abb7a4588b7fdcc54889f95e9caa