chore(dev-deps): bump @salesforce/cli-plugins-testkit

Bumps [@salesforce/cli-plugins-testkit](https://github.com/salesforcecli/cli-plugins-testkit) from 5.3.25 to 5.3.26.
- [Release notes](https://github.com/salesforcecli/cli-plugins-testkit/releases)
- [Changelog](https://github.com/salesforcecli/cli-plugins-testkit/blob/main/CHANGELOG.md)
- [Commits](salesforcecli/cli-plugins-testkit@5.3.25...5.3.26)

---
updated-dependencies:
- dependency-name: "@salesforce/cli-plugins-testkit"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "@oclif/plugin-command-snapshot": "^5.2.12",
-    "@salesforce/cli-plugins-testkit": "^5.3.25",
+    "@salesforce/cli-plugins-testkit": "^5.3.26",
     "@salesforce/dev-scripts": "^10.2.9",
     "@salesforce/plugin-command-reference": "^3.1.16",
     "eslint-plugin-sf-plugin": "^1.20.4",

yarn.lock

@@ -1272,12 +1272,12 @@
   resolved "https://registry.yarnpkg.com/@pkgjs/parseargs/-/parseargs-0.11.0.tgz#a77ea742fab25775145434eb1d2328cf5013ac33"
   integrity sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==
 
-"@salesforce/cli-plugins-testkit@^5.3.25":
-  version "5.3.25"
-  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.25.tgz#a3e081d1e8bce8660d602fdf04851986c89f18a1"
-  integrity sha512-wwFnd7EuEVxc7IRCvOtJO65iEbjYWrIHUdkxf7bZkgrS9ZfjFNDyua/XthT+gWpVfIZiHxEjqYBdHzMNWZQkbg==
+"@salesforce/cli-plugins-testkit@^5.3.26":
+  version "5.3.26"
+  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.26.tgz#11f4946b24749a7f32125688ed43ae9dbc248e60"
+  integrity sha512-5+Cx0Gbx5v+uvB6TQr+gHIRULOCUhzLtlBRh2UZQoWlUihlOvTYIOXqWQP50qm92KlV0iv3LJ25zJQDFnvAIzQ==
   dependencies:
-    "@salesforce/core" "^8.3.0"
+    "@salesforce/core" "^8.4.0"
     "@salesforce/kit" "^3.2.1"
     "@salesforce/ts-types" "^2.0.11"
     "@types/shelljs" "^0.8.15"