chore: Fixup dependencies and ensure no duplication between kinds of dependencies

- Also un-bump xterm-fit-addon as it is only compatible with xterm@^5

Signed-off-by: Sebastian Malton <sebastian@malton.name>

.github/workflows/linter.yml

@@ -33,3 +33,6 @@ jobs:
 
       - name: Verify Publish Configurations
         run: ./scripts/lint-publish-configs.sh
+
+      - name: Verify No Duplicate Dependencies
+        run: ./scripts/lint-package-dependencies.sh