Fix indentation mismatch in GitHub Actions workflow

Corrected the indentation under the 'Upload HI2UC' and 'Upload HIColorer' steps to ensure the workflow executes correctly. Indentation consistency is crucial for proper parsing of the YAML file in GitHub Actions.

Author: ivandrofly

.github/workflows/main.yml

@@ -48,11 +48,11 @@ jobs:
 
       # Upload plugins/artifacts
       - name: Upload HI2UC
-      - uses: ./.github/workflows/plugin-upload
+        uses: ./.github/workflows/plugin-upload
         with:
           file-name: HI2UC
 
       - name: Upload HIColorer
-      - uses: ./.github/plugin-update
+        uses: ./.github/plugin-update
         with:
           file-name: HIColorer