chore(service): use correct docker image (#1308)

<!--- Provide a general summary of your changes in the Title above -->

## Description

<!--- Describe your changes in detail -->

Using the healthz endpoint before the proper service is deployed

## Related Issue(s)

- #1301 

## Verification

- [ ] **Your** code builds clean without any errors or warnings
- [ ] Manual testing done (required)
- [ ] Relevant automated test added (if you find this hard, leave it and
we'll help out)

## Documentation

- [ ] Documentation is updated (either in `docs`-directory, Altinnpedia
or a separate linked PR in
[altinn-studio-docs.](https://github.com/Altinn/altinn-studio-docs), if
applicable)

.azure/applications/service/main.bicep

@@ -100,7 +100,7 @@ var probes = [
     initialDelaySeconds: 2
     type: 'Liveness'
     httpGet: {
-      path: '/health/liveness'
+      path: '/healthz'
       port: port
     }
   }
@@ -109,7 +109,7 @@ var probes = [
     initialDelaySeconds: 2
     type: 'Readiness'
     httpGet: {
-      path: '/health/readiness'
+      path: '/healthz'
       port: port
     }
   }
@@ -118,7 +118,7 @@ var probes = [
     initialDelaySeconds: 2
     type: 'Startup'
     httpGet: {
-      path: '/health/startup'
+      path: '/healthz'
       port: port
     }
   }
@@ -152,9 +152,7 @@ module containerApp '../../modules/containerApp/main.bicep' = {
   name: containerAppName
   params: {
     name: containerAppName
-    // todo: make this dynamic based on service name. Using webapi for now.
-    // image: '${baseImageUrl}${serviceName}:${imageTag}'
-    image: '${baseImageUrl}webapi:${imageTag}'
+    image: '${baseImageUrl}${serviceName}:${imageTag}'
     location: location
     envVariables: containerAppEnvVars
     containerAppEnvId: containerAppEnvironment.id