fix(kubernetes): Fix artifact binding in patch manifest stage (#3605)

The patch manifest stage was incorrectly setting allArtifacts to
just the required artifacts, which was breaking artifact resolution
in clouddriver. Set this to all of the artifacts (both required and
optional).

orca-clouddriver/src/main/groovy/com/netflix/spinnaker/orca/clouddriver/tasks/manifest/ResolvePatchSourceManifestTask.java

@@ -16,6 +16,7 @@
 
 package com.netflix.spinnaker.orca.clouddriver.tasks.manifest;
 
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.netflix.spinnaker.kork.annotations.NonnullByDefault;
 import com.netflix.spinnaker.orca.api.pipeline.Task;
@@ -51,7 +52,12 @@ private ImmutableMap<String, Object> getOutputs(ManifestEvaluator.Result result)
     return new ImmutableMap.Builder<String, Object>()
         .put("manifests", result.getManifests())
         .put("requiredArtifacts", result.getRequiredArtifacts())
-        .put("allArtifacts", result.getOptionalArtifacts())
+        .put(
+            "allArtifacts",
+            ImmutableList.builder()
+                .addAll(result.getRequiredArtifacts())
+                .addAll(result.getOptionalArtifacts())
+                .build())
         .build();
   }
 }