Use immutable tags for running tasks

This way we can run tasks with `IfNotPresent` and be sure it works as intended.

deploy/charts/rawfile-csi/templates/01-controller-plugin.yaml

@@ -44,6 +44,8 @@ spec:
           env:
             - name: CSI_ENDPOINT
               value: unix:///csi/csi.sock
+            - name: IMAGE_REPOSITORY
+              value: "{{ .Values.controller.image.repository }}"
           volumeMounts:
             - name: socket-dir
               mountPath: /csi

deploy/charts/rawfile-csi/templates/01-node-plugin.yaml

@@ -62,6 +62,8 @@ spec:
           env:
             - name: CSI_ENDPOINT
               value: unix:///csi/csi.sock
+            - name: IMAGE_REPOSITORY
+              value: "{{ .Values.node.image.repository }}"
             - name: NODE_ID
               valueFrom:
                 fieldRef: