port k8s plugin from aws v2 to v3 client

Signed-off-by: Brian Fletcher <brian@roadie.io>

plugins/kubernetes-backend/package.json

@@ -34,6 +34,9 @@
     "clean": "backstage-cli package clean"
   },
   "dependencies": {
+    "@aws-crypto/sha256-js": "^3.0.0",
+    "@aws-sdk/credential-providers": "^3.208.0",
+    "@aws-sdk/signature-v4": "^3.208.0",
     "@azure/identity": "^2.0.4",
     "@backstage/backend-common": "workspace:^",
     "@backstage/catalog-client": "workspace:^",
@@ -49,7 +52,6 @@
     "@kubernetes/client-node": "0.18.1",
     "@types/express": "^4.17.6",
     "@types/luxon": "^3.0.0",
-    "aws-sdk": "^2.840.0",
     "aws4": "^1.11.0",
     "compression": "^1.7.4",
     "cors": "^2.8.5",
@@ -71,7 +73,6 @@
     "@backstage/cli": "workspace:^",
     "@types/aws4": "^1.5.1",
     "@types/http-proxy-middleware": "^0.19.3",
-    "aws-sdk-mock": "^5.2.1",
     "mock-fs": "^5.2.0",
     "msw": "^1.0.0",
     "supertest": "^6.1.3"