Bump @blockly/theme-dark from 7.0.12 to 8.0.1 in /src-editor

Bumps [@blockly/theme-dark](https://github.com/google/blockly-samples/tree/HEAD/plugins/theme-dark) from 7.0.12 to 8.0.1.
- [Release notes](https://github.com/google/blockly-samples/releases)
- [Changelog](https://github.com/RaspberryPiFoundation/blockly-samples/blob/master/plugins/theme-dark/CHANGELOG.md)
- [Commits](https://github.com/google/blockly-samples/commits/@blockly/theme-dark@8.0.1/plugins/theme-dark)

---
updated-dependencies:
- dependency-name: "@blockly/theme-dark"
  dependency-version: 8.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src-editor/package.json

@@ -6,7 +6,7 @@
     "dependencies": {
         "@blockly/field-colour": "^5.0.19",
         "@blockly/field-multilineinput": "^5.0.17",
-        "@blockly/theme-dark": "^7.0.12",
+        "@blockly/theme-dark": "^8.0.1",
         "@devbookhq/splitter": "^1.4.2",
         "@iobroker/adapter-react-v5": "^8.0.13",
         "@iobroker/javascript-rules-dev": "^0.0.6",