readd amplify install on acceptance stage

Author: bhansell1

.github/workflows/stage-4-acceptance.yaml

@@ -52,6 +52,7 @@ jobs:
         run: |
           npm ci
           npm ci tests/test-team
+          (cd amplify && npm ci)
           (cd lambdas/authorizer && npm ci)
           (cd lambdas/backend-client && npm ci)
           (cd lambdas/backend-api && npm ci)
@@ -127,6 +128,7 @@ jobs:
         run: |
           npm ci
           npm ci tests/test-team
+          (cd amplify && npm ci)
           (cd lambdas/authorizer && npm ci)
           (cd lambdas/backend-client && npm ci)
           (cd lambdas/backend-api && npm ci)
@@ -162,6 +164,7 @@ jobs:
         run: |
           npm ci
           npm ci tests/test-team
+          (cd amplify && npm ci)
           (cd lambdas/authorizer && npm ci)
           (cd lambdas/backend-client && npm ci)
           (cd lambdas/backend-api && npm ci)
@@ -201,6 +204,7 @@ jobs:
         run: |
           npm ci
           npm ci tests/test-team
+          (cd amplify && npm ci)
           (cd lambdas/authorizer && npm ci)
           (cd lambdas/backend-client && npm ci)
           (cd lambdas/backend-api && npm ci)