Merge pull request #9403 from backstage/freben/no-port

Remove unnecessary get-port dependency

.changeset/healthy-flies-fold.md

@@ -0,0 +1,5 @@
+---
+'@backstage/backend-common': patch
+---
+
+Removed unnecessary `get-port` dependency

packages/backend-common/package.json

@@ -101,7 +101,6 @@
     "@types/unzipper": "^0.10.3",
     "@types/webpack-env": "^1.15.2",
     "aws-sdk-mock": "^5.2.1",
-    "get-port": "^5.1.1",
     "http-errors": "^2.0.0",
     "jest": "^26.0.1",
     "mock-fs": "^5.1.0",