Refactor the runDockerContainer function to a ContainerRunner interface.

Signed-off-by: Dominik Henneke <dominik.henneke@sda-se.com>

packages/techdocs-common/package.json

@@ -44,11 +44,9 @@
     "@backstage/errors": "^0.1.1",
     "@backstage/integration": "^0.5.1",
     "@google-cloud/storage": "^5.6.0",
-    "@types/dockerode": "^3.2.1",
     "@types/express": "^4.17.6",
     "aws-sdk": "^2.840.0",
     "cross-fetch": "^3.0.6",
-    "dockerode": "^3.2.1",
     "express": "^4.17.1",
     "fs-extra": "^9.0.1",
     "git-url-parse": "^11.4.4",