check failure for UI build for arm64 platform

Signed-off-by: savitaashture <sashture@redhat.com>

.tekton/docker-build-ta.yaml

@@ -66,7 +66,7 @@ spec:
  description: Image tag expiration time, time values could be something like
  1h, 2d, 3w for hours, days, and weeks, respectively.
  name: image-expires-after
- - default: "true"
+ - default: "false"
  description: Build a source image.
  name: build-source-image
  type: string
@@ -282,7 +282,7 @@ spec:
  - input: $(params.build-source-image)
  operator: in
  values:
- - "true"
+ - "false"
  - name: deprecated-base-image-check
  params:
  - name: IMAGE_URL

.tekton/tektoncd-hub-main-hub-ui-pull-request.yaml

@@ -36,6 +36,9 @@ spec:
  - name: build-platforms
  value:
  - linux/x86_64
+ - linux-m2xlarge/arm64
+ - linux/ppc64le
+ - linux/s390x
  - name: prefetch-input
  value: |
  {"type": "npm", "path": "upstream/ui"}