feat: added kaniko task

tasks/kaniko.yaml

@@ -0,0 +1,34 @@
+apiVersion: tekton.dev/v1beta1
+kind: Task
+metadata:
+  name: kaniko
+  namespace: tekton-pipelines
+spec:
+  params:
+    - name: IMAGE
+      description: Name of the image to build
+    - name: DOCKERFILE
+      default: ./Dockerfile
+    - name: CONTEXT
+      default: ./
+  workspaces:
+    - name: source
+  steps:
+    - name: build-and-push
+      image: gcr.io/kaniko-project/executor:latest
+      workingDir: $(workspaces.source.path)
+      args:
+        - --dockerfile=$(params.DOCKERFILE)
+        - --context=$(workspaces.source.path)/$(params.CONTEXT)
+        - --destination=$(params.IMAGE)
+        - --digest-file=$(terminations.log.path)
+      volumeMounts:
+        - name: docker-config
+          mountPath: /kaniko/.docker
+  volumes:
+    - name: docker-config
+      secret:
+        secretName: ghcr-auth
+        items:
+          - key: .dockerconfigjson
+            path: config.json