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

Bumps [@salesforce/cli-plugins-testkit](https://github.com/salesforcecli/cli-plugins-testkit) from 5.3.15 to 5.3.18.
- [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@5.3.15...5.3.18)

---
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

@@ -121,7 +121,7 @@
   },
   "devDependencies": {
     "@oclif/plugin-command-snapshot": "^5.2.3",
-    "@salesforce/cli-plugins-testkit": "^5.3.15",
+    "@salesforce/cli-plugins-testkit": "^5.3.18",
     "@salesforce/dev-scripts": "^10.2.2",
     "@salesforce/plugin-command-reference": "^3.1.5",
     "@salesforce/types": "^1.2.0",

yarn.lock

@@ -1624,6 +1624,26 @@
     strip-ansi "^6.0.0"
     xml2js "^0.6.2"
 
+"@jsforce/jsforce-node@^3.2.1":
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/@jsforce/jsforce-node/-/jsforce-node-3.2.2.tgz#6bc1bf483f52023d63ae76534fc8665b2df215e0"
+  integrity sha512-wQl4iCkwbop3eJfl+PxgFfIEPE2Ka68MvgnxbxVX/yx+NhfiNqbl08uKLAG+VcI40D8sgApfm86Yx7o8Q9PZmw==
+  dependencies:
+    "@sindresorhus/is" "^4"
+    "@types/node" "^18.15.3"
+    abort-controller "^3.0.0"
+    base64url "^3.0.1"
+    csv-parse "^5.5.2"
+    csv-stringify "^6.4.4"
+    faye "^1.4.0"
+    form-data "^4.0.0"
+    fs-extra "^8.1.0"
+    https-proxy-agent "^5.0.0"
+    multistream "^3.1.0"
+    node-fetch "^2.6.1"
+    strip-ansi "^6.0.0"
+    xml2js "^0.6.2"
+
 "@nodelib/fs.scandir@2.1.5":
   version "2.1.5"
   resolved "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz"
@@ -1750,12 +1770,12 @@
   resolved "https://registry.npmjs.org/@pkgjs/parseargs/-/parseargs-0.11.0.tgz"
   integrity sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==
 
-"@salesforce/cli-plugins-testkit@^5.3.15":
-  version "5.3.15"
-  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.15.tgz#a7e240119bbc987e869873c5a3ce3d70abbfe120"
-  integrity sha512-nst9ZKu7pqkR4Ayf3klbg4/41CmxJuLzdBL9EqGNZyZgKXBw1g+nlCcfvV9q1sY3LF2L2ljsC8N8phqiFoDKOQ==
+"@salesforce/cli-plugins-testkit@^5.3.18":
+  version "5.3.18"
+  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.18.tgz#f36ae6ed8573b18396668a4d38b4effe0bd1a2bf"
+  integrity sha512-9+Yvmw5idIQryJcXVKZ2HASLKj2RUJizDuDFPq5ut9X+8y8MTWAkO0hO6OSj3IPkV+LTo8QF7QOCl16R2PWpMw==
   dependencies:
-    "@salesforce/core" "^8.0.1"
+    "@salesforce/core" "^8.1.1"
     "@salesforce/kit" "^3.1.6"
     "@salesforce/ts-types" "^2.0.10"
     "@types/shelljs" "^0.8.15"
@@ -1766,12 +1786,12 @@
     strip-ansi "6.0.1"
     ts-retry-promise "^0.8.1"
 
-"@salesforce/core@^8.0.1", "@salesforce/core@^8.0.3":
-  version "8.0.3"
-  resolved "https://registry.yarnpkg.com/@salesforce/core/-/core-8.0.3.tgz#8b25ce46100baef0a8e731b42d373edf508ab144"
-  integrity sha512-HirswUFGQIF5Ipaa+5l3kulBOf3L25Z3fzf5QqEI4vOxgBKN2bEdKHCA/PROufi3/ejFstiXcn9/jfgyjDdBqA==
+"@salesforce/core@^8.0.1", "@salesforce/core@^8.0.3", "@salesforce/core@^8.1.1":
+  version "8.1.1"
+  resolved "https://registry.yarnpkg.com/@salesforce/core/-/core-8.1.1.tgz#26db4e6da3573c4bd223eb05cb3da6aad8b2a311"
+  integrity sha512-PQ58kz0oRk/cjGhmiRj8W+x0Eg2mrWagrA4xMKaXjBAgSgU+V39BaO9IC1G2cAMGy53JJRBO5G876ala4gD44w==
   dependencies:
-    "@jsforce/jsforce-node" "^3.2.0"
+    "@jsforce/jsforce-node" "^3.2.1"
     "@salesforce/kit" "^3.1.6"
     "@salesforce/schemas" "^1.9.0"
     "@salesforce/ts-types" "^2.0.10"