feat(recipe): add support for string based value(s) in pathcheck

[amitbhatt818]

This PR adds support to verify string based value in pathCheck field

Sample experiment

• Following recipe asserts spec.clusterIP is set to None

apiVersion: dope.mayadata.io/v1
kind: Recipe
metadata:
  name: svc-1
  namespace: d-testing
spec:
  tasks:
  - name: assert-svc-running
    assert:
      state:
        kind: Service
        apiVersion: v1
        metadata:
          name: cassandra
          namespace: kubera
      pathCheck:
        path: spec.clusterIP
        pathCheckOperator: Equals
        value: None # this is a string value

Output:

$ kubectl describe recipe.dope.mayadata.io/svc-1 -n d-testing

Name:         svc-1
Namespace:    d-testing
Status:
  Execution Time:
    Readable Value:    4ms
    Value In Seconds:  0.004093446
  Phase:               Completed
  Task Count:
    Failed:   0
    Skipped:  0
    Total:    1
    Warning:  0
  Tasks:
    Assert - Svc - Running:
      Message:  PathCheckValueEquals: Resource kubera cassandra: GVK /v1, Kind=Service: TaskName assert-svc-running
      Phase:    Passed
      Step:     1
      Verbose:  Expected value None got None

Signed-off-by: Amit Bhatt amitbhatt818@gmail.com

[AmitKumarDas]

🎉 This PR is included in version 1.10.0 🎉

The release is available on GitHub release

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