Allow to configure runner volume size limit (#436)

Enable the user to set a limit size on the volume of the runner to avoid some runner pod affecting other resources of the same cluster

Co-authored-by: Yusuke Kuoka <ykuoka@gmail.com>

config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml

@@ -809,6 +809,12 @@ spec:
                           - name
                         type: object
                       type: array
+                    volumeSizeLimit:
+                      anyOf:
+                        - type: integer
+                        - type: string
+                      pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
+                      x-kubernetes-int-or-string: true
                     volumes:
                       items:
                         description: Volume represents a named volume in a pod that may be accessed by any container in the pod.