Error in workflow file. Tabs need to be spaces.

Author: rapier1

.github/workflows/c-cpp.yml

@@ -29,7 +29,7 @@ jobs:
         config: [default]
         # Then we include any extra configs we want to test for specific VMs.
         include:
-	  - { target: windows-2019, config: cygwin-release }
+          - { target: windows-2019, config: cygwin-release }
           - { target: windows-2022, config: cygwin-release }
           - { target: ubuntu-22.04, config: valgrind-1 }
           - { target: ubuntu-22.04, config: valgrind-2 }