feat(deps): update dependency escher-auth to v4 (#246)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [escher-auth](https://redirect.github.com/emartech/escher-js) |
[`^3.2.4` ->
`^4.0.0`](https://renovatebot.com/diffs/npm/escher-auth/3.2.4/4.0.2) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/escher-auth/4.0.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/escher-auth/3.2.4/4.0.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>emartech/escher-js (escher-auth)</summary>

###
[`v4.0.2`](https://redirect.github.com/emartech/escher-js/compare/v4.0.1...v4.0.2)

[Compare
Source](https://redirect.github.com/emartech/escher-js/compare/v4.0.1...v4.0.2)

###
[`v4.0.1`](https://redirect.github.com/emartech/escher-js/compare/v4.0.0...v4.0.1)

[Compare
Source](https://redirect.github.com/emartech/escher-js/compare/v4.0.0...v4.0.1)

###
[`v4.0.0`](https://redirect.github.com/emartech/escher-js/compare/v3.2.4...v4.0.0)

[Compare
Source](https://redirect.github.com/emartech/escher-js/compare/v3.2.4...v4.0.0)

</details>

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package-lock.json

@@ -39,7 +39,7 @@
   "dependencies": {
     "@emartech/escher-request": "^22.2.0",
     "axios": "^1.12.0",
-    "escher-auth": "^3.2.4",
+    "escher-auth": "^4.0.0",
     "escher-keypool": "^2.0.3",
     "flat": "^5.0.2",
     "lodash": "^4.17.21",