chore(deps): update telekom-mms/.github digest to c978997

Author: renovate[bot]

.github/workflows/linting.yml

@@ -5,4 +5,4 @@ on: [push, pull_request]
 jobs:
   linting:
     # docs: https://github.com/telekom-mms/.github#python-linting
-    uses: telekom-mms/.github/.github/workflows/python_linting.yml@075cd4a95103e771006ab3b15b61560772076dec # main
+    uses: telekom-mms/.github/.github/workflows/python_linting.yml@c978997084c39031207f2309a3624a2e31ced0df # main