keepalived: removing arm64

Author: Pradnya-Chikhale

.tekton/keepalived-6-1-pull-request.yaml

@@ -29,7 +29,6 @@ spec:
   - name: build-platforms
     value:
     - linux/x86_64
-    - linux/arm64
     - linux/s390x
     - linux/ppc64le
   - name: dockerfile