Merge branch 'master' of github.com:spotify/backstage into feat/backend-plugin

* 'master' of github.com:spotify/backstage: (30 commits)
  fix(techdocs-core): use the content of the readme as long description for the pypi package (#2578)
  chore: add contrib to CONTRIBUTING.md (#2585)
  Fix typo (#2584)
  backend-common: default config env to development
  v0.1.1-alpha.23
  TechDocs: Inject CSS transformer and initial backstage style integration for reader (#2560)
  bug(gql): use import to import the graphql module
  Rename file
  [blog] Announce CNCF Sandbox (#2568)
  document cleaning - tutorial quickstarts (#2520)
  Simplify codecov flag names
  chore(scaffolder-backend): typo in visibility
  Kubernetes plugins boilerplate (#2559)
  CHANGELOG: add entry for SessionApi refactor
  Upload package specific code coverage to codecov
  Add codecov flags for core and core-api packages
  TechDocs: Enable allowVulnerableTags in sanitize-html (#2554)
  chore: trust the Boolean :)
  docs: regenerate api reference docs
  core: refactor SessionStateApi to SessionApi with sign-in/out
  ...

plugins/app-backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@backstage/plugin-app-backend",
-  "version": "0.1.1-alpha.22",
+  "version": "0.1.1-alpha.23",
   "main": "src/index.ts",
   "types": "src/index.ts",
   "license": "Apache-2.0",
@@ -20,8 +20,8 @@
     "clean": "backstage-cli clean"
   },
   "dependencies": {
-    "@backstage/backend-common": "^0.1.1-alpha.22",
-    "@backstage/config-loader": "^0.1.1-alpha.22",
+    "@backstage/backend-common": "^0.1.1-alpha.23",
+    "@backstage/config-loader": "^0.1.1-alpha.23",
     "@types/express": "^4.17.6",
     "express": "^4.17.1",
     "express-promise-router": "^3.0.3",
@@ -30,7 +30,7 @@
     "yn": "^4.0.0"
   },
   "devDependencies": {
-    "@backstage/cli": "^0.1.1-alpha.22",
+    "@backstage/cli": "^0.1.1-alpha.23",
     "@types/supertest": "^2.0.8",
     "msw": "^0.20.5",
     "supertest": "^4.0.2"