Fix typos in labelling workflow (#179)

Author: ludovicsteinbach

.github/workflows/label.yml

@@ -37,5 +37,5 @@ jobs:
           - [api-definition](https://github.com/ansys/grantami-serverapi-openapi/pulls?q=label%3Aapi-definition)
           - [code-gen](https://github.com/ansys/grantami-serverapi-openapi/pulls?q=label%3Acode-gen+)
           - [enhancement](https://github.com/ansys/grantami-serverapi-openapi/pulls?q=label%3Aenhancement+)
-          - [maintenance](https://github.com/ansys/ggrantami-serverapi-openapi/pulls?q=label%3Amaintenance+)
-          - [bug](https://github.com/ansys/ggrantami-serverapi-openapi/pulls?q=label%3Abug+)
+          - [maintenance](https://github.com/ansys/grantami-serverapi-openapi/pulls?q=label%3Amaintenance+)
+          - [bug](https://github.com/ansys/grantami-serverapi-openapi/pulls?q=label%3Abug+)