Bump fantomas from 6.2.3 to 7.0.3

---
updated-dependencies:
- dependency-name: fantomas
  dependency-version: 7.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.config/dotnet-tools.json

@@ -17,7 +17,7 @@
       "rollForward": false
     },
     "fantomas": {
-      "version": "6.2.3",
+      "version": "7.0.3",
       "commands": [
         "fantomas"
       ],