update E2E InfrastructureProvider API contract

Author: jackfrancis

test/e2e/config/azure-dev.yaml

@@ -92,7 +92,7 @@ providers:
       replacements:
       - old: "imagePullPolicy: Always"
         new: "imagePullPolicy: IfNotPresent"
-    - name: v1.7.99 # "vNext"; use manifests from local source files
+    - name: v1.8.99 # "vNext"; use manifests from local source files
       value: "${PWD}/config/default"
       contract: v1beta1
       files:

test/e2e/data/shared/v1beta1_provider/metadata.yaml

@@ -11,11 +11,5 @@ releaseSeries:
     minor: 5
     contract: v1alpha4
   - major: 1
-    minor: 5
-    contract: v1beta1
-  - major: 1
-    minor: 6
-    contract: v1beta1
-  - major: 1
-    minor: 7
+    minor: 8
     contract: v1beta1