fix: handle already json marshaled string in AsMap

[yashmehrotra]

In this case, config was in string type not struct, which made json.Marshal and Unmarshal error

2023-06-16T08:41:43.347+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.347+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.347+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.347+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.347+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.347+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.347+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.347+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.347+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.347+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.347+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.348+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.348+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.348+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.348+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.348+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.348+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.348+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.348+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}
2023-06-16T08:41:43.348+0530	ERROR	failed to unmarshal config: json: cannot unmarshal string into Go value of type map[string]interface {}

[github-actions]

E2E -

0 tests   0 ✔️  0s ⏱️
0 suites  0 💤
0 files    0 ❌

Results for commit cf89f5c.

[github-actions]

🎉 This PR is included in version 0.0.121 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀