Bump @tufjs/repo-mock from 3.0.1 to 4.0.0

Bumps [@tufjs/repo-mock](https://github.com/theupdateframework/tuf-js) from 3.0.1 to 4.0.0.
- [Release notes](https://github.com/theupdateframework/tuf-js/releases)
- [Commits](https://github.com/theupdateframework/tuf-js/compare/@tufjs/[email protected]...@tufjs/[email protected])

---
updated-dependencies:
- dependency-name: "@tufjs/repo-mock"
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "@sigstore/rekor-types": "^4.0.0",
     "@sigstore/jest": "^0.0.0",
     "@sigstore/mock": "^0.11.0",
-    "@tufjs/repo-mock": "^3.0.1",
+    "@tufjs/repo-mock": "^4.0.0",
     "@types/make-fetch-happen": "^10.0.4"
   },
   "dependencies": {

packages/client/package.json

@@ -21,7 +21,7 @@
     "@oclif/color": "^1.0.13",
     "@oclif/core": "^4",
     "@sigstore/mock": "^0.11.0",
-    "@tufjs/repo-mock": "^3.0.1",
+    "@tufjs/repo-mock": "^4.0.0",
     "express": "5.1.0"
   },
   "devDependencies": {

packages/mock-server/package.json

@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@sigstore/jest": "^0.0.0",
-    "@tufjs/repo-mock": "^3.0.1",
+    "@tufjs/repo-mock": "^4.0.0",
     "@types/make-fetch-happen": "^10.0.4"
   },
   "dependencies": {