feat(KONFLUX-4158): add fbc-fips-check task to FBC pipeline

This commit adds the fbc-fips-check to the FBC pipeline.
It also adds a template file named images-mirror-set.yaml which is required by
the FIPS task itself and will be used by other tasks in the future.

Signed-off-by: yashvardhannanavati <[email protected]>

Author: yashvardhannanavati

.tekton/images-mirror-set.yaml

@@ -0,0 +1,10 @@
+---
+apiVersion: operator.openshift.io/v1alpha1
+kind: ImageDigestMirrorSet
+metadata:
+  name: example-mirror-set
+spec:
+  imageDigestMirrors:
+    - mirrors:
+        - quay.io/my-namespace/valid-repo
+      source: registry.redhat.io/unreleased-image/or-inaccessible-image

.tekton/kube-descheduler-operator-fbc-4-16-pull-request.yaml

@@ -243,6 +243,30 @@ spec:
         operator: in
         values:
         - "true"
+    - name: fbc-fips-check-oci-ta
+      params:
+      - name: image-digest
+        value: $(tasks.build-image-index.results.IMAGE_DIGEST)
+      - name: image-url
+        value: $(tasks.build-image-index.results.IMAGE_URL)
+      - name: SOURCE_ARTIFACT
+        value: $(tasks.prefetch-dependencies.results.SOURCE_ARTIFACT)
+      runAfter:
+      - build-image-index
+      taskRef:
+        params:
+        - name: name
+          value: fbc-fips-check-oci-ta
+        - name: bundle
+          value: quay.io/konflux-ci/tekton-catalog/task-fbc-fips-check-oci-ta:0.1@sha256:2e6900f5755fca70f8eebfcf004f39dd9adf6b488c8828f35a1b24862a9f81cf
+        - name: kind
+          value: task
+        resolver: bundles
+      when:
+      - input: $(params.skip-checks)
+        operator: in
+        values:
+        - "false"
     - name: deprecated-base-image-check
       params:
       - name: IMAGE_URL

.tekton/kube-descheduler-operator-fbc-4-16-push.yaml

@@ -239,6 +239,30 @@ spec:
         operator: in
         values:
         - "true"
+    - name: fbc-fips-check-oci-ta
+      params:
+      - name: image-digest
+        value: $(tasks.build-image-index.results.IMAGE_DIGEST)
+      - name: image-url
+        value: $(tasks.build-image-index.results.IMAGE_URL)
+      - name: SOURCE_ARTIFACT
+        value: $(tasks.prefetch-dependencies.results.SOURCE_ARTIFACT)
+      runAfter:
+      - build-image-index
+      taskRef:
+        params:
+        - name: name
+          value: fbc-fips-check-oci-ta
+        - name: bundle
+          value: quay.io/konflux-ci/tekton-catalog/task-fbc-fips-check-oci-ta:0.1@sha256:2e6900f5755fca70f8eebfcf004f39dd9adf6b488c8828f35a1b24862a9f81cf
+        - name: kind
+          value: task
+        resolver: bundles
+      when:
+      - input: $(params.skip-checks)
+        operator: in
+        values:
+        - "false"
     - name: deprecated-base-image-check
       params:
       - name: IMAGE_URL