chore(dev-deps): bump @salesforce/cli-plugins-testkit (#1174)

Bumps [@salesforce/cli-plugins-testkit](https://github.com/salesforcecli/cli-plugins-testkit) from 5.3.0 to 5.3.1.
- [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@5.3.0...5.3.1)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -20,7 +20,7 @@
   "devDependencies": {
     "@oclif/plugin-command-snapshot": "^5.1.7",
     "@oclif/plugin-help": "^6.0.20",
-    "@salesforce/cli-plugins-testkit": "^5.3.0",
+    "@salesforce/cli-plugins-testkit": "^5.3.1",
     "@salesforce/dev-scripts": "^9.0.0",
     "@salesforce/plugin-command-reference": "^3.0.82",
     "@salesforce/source-testkit": "^2.2.1",

yarn.lock

@@ -1607,12 +1607,12 @@
     istanbul-lib-report "^3.0.1"
     istanbul-reports "^3.1.6"
 
-"@salesforce/cli-plugins-testkit@^5.2.0", "@salesforce/cli-plugins-testkit@^5.3.0":
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.0.tgz#ec7c8da49c36e4c07f6ddc80cb57776e687e4925"
-  integrity sha512-g+kmsucxS8QBxlV9gjltl4lVW8GjvtlQNUijhtZEqm9Vwb0s5MG/K0wfzg2MwVUZ+ZwNWgcKnRruD5K8LzMZkA==
+"@salesforce/cli-plugins-testkit@^5.2.0", "@salesforce/cli-plugins-testkit@^5.3.1":
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.1.tgz#6ff1d6a7d1923e7905a2ddd67905458e8f5bcb6d"
+  integrity sha512-UBTFfG0pxcqMSJjdf7xpRhv5TCC3cf3/CDijjWXzYH/JGryeb0XWZIRKoT8kXzXgEDW2s4O/dNdVvMGnZEN3Aw==
   dependencies:
-    "@salesforce/core" "^7.3.0"
+    "@salesforce/core" "^7.3.1"
     "@salesforce/kit" "^3.1.1"
     "@salesforce/ts-types" "^2.0.9"
     "@types/shelljs" "^0.8.15"