chore(deps): update quay.io/konflux-ci/konflux-vanguard/task-rpms-signature-scan:0.2 docker digest to 20eb21c

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

Author: red-hat-konflux[bot]

.tekton/dora-metrics-f65df-pull-request.yaml

@@ -580,7 +580,7 @@ spec:
         - name: name
           value: rpms-signature-scan
         - name: bundle
-          value: quay.io/konflux-ci/konflux-vanguard/task-rpms-signature-scan:0.2@sha256:06977232e67509e5540528ff6c3b081b23fc5bf3e40fb3e2d09a086d5c3243fc
+          value: quay.io/konflux-ci/tekton-catalog/task-rpms-signature-scan:0.2@sha256:20eb21c60522a12198205f70b9c58cb5d71db561a255a3ba1ced56ae7b4af270
         - name: kind
           value: task
         resolver: bundles

.tekton/dora-metrics-f65df-push.yaml

@@ -580,7 +580,7 @@ spec:
         - name: name
           value: rpms-signature-scan
         - name: bundle
-          value: quay.io/konflux-ci/konflux-vanguard/task-rpms-signature-scan:0.2@sha256:06977232e67509e5540528ff6c3b081b23fc5bf3e40fb3e2d09a086d5c3243fc
+          value: quay.io/konflux-ci/konflux-vanguard/task-rpms-signature-scan:0.2@sha256:20eb21c60522a12198205f70b9c58cb5d71db561a255a3ba1ced56ae7b4af270
         - name: kind
           value: task
         resolver: bundles