Bump slash from 5.0.0 to 5.0.1

Bumps [slash](https://github.com/sindresorhus/slash) from 5.0.0 to 5.0.1.
- [Release notes](https://github.com/sindresorhus/slash/releases)
- [Commits](sindresorhus/slash@v5.0.0...v5.0.1)

---
updated-dependencies:
- dependency-name: slash
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

packages/govuk-frontend-review/package.json

@@ -42,7 +42,7 @@
     "gulp": "^4.0.2",
     "gulp-cli": "^2.3.0",
     "nodemon": "^2.0.22",
-    "slash": "^5.0.0",
+    "slash": "^5.0.1",
     "supertest": "^6.3.3"
   }
 }

packages/govuk-frontend/package.json

@@ -45,6 +45,6 @@
     "sass-color-helpers": "^2.1.1",
     "sass-embedded": "^1.62.0",
     "sassdoc": "^2.7.4",
-    "slash": "^5.0.0"
+    "slash": "^5.0.1"
   }
 }

shared/tasks/package.json

@@ -31,7 +31,7 @@
     "rollup-plugin-node-resolve": "^4.2.4",
     "rollup-plugin-replace": "^2.2.0",
     "sass-embedded": "^1.62.0",
-    "slash": "^5.0.0",
+    "slash": "^5.0.1",
     "terser": "^5.17.1",
     "yargs-parser": "^21.1.1"
   }