fix(janitor): ensure Redis is configured correctly (#1182)

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

## Description

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

## Related Issue(s)

- #{issue number}

## 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)


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **New Features**
- Updated Redis configuration across all environments to require a
connection string instead of a boolean flag.
- Added placeholders for local secrets in production and staging
configurations.

- **Bug Fixes**
- Enhanced configuration clarity by removing deprecated properties and
introducing connection string requirements for Redis and database
connections.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

.azure/applications/sync-subject-resource-mappings-job/main.bicep

@@ -51,6 +51,10 @@ var containerAppEnvVars = [
     name: 'Infrastructure__DialogDbConnectionString'
     secretRef: 'dbconnectionstring'
   }
+  {
+    name: 'Infrastructure__Redis__ConnectionString'
+    secretRef: 'redisconnectionstring'
+  }
   {
     name: 'DOTNET_ENVIRONMENT'
     value: environment
@@ -61,13 +65,19 @@ var containerAppEnvVars = [
   }
 ]
 
+// Base URL for accessing secrets in the Key Vault
 // https://learn.microsoft.com/en-us/azure/azure-resource-manager/bicep/bicep-functions-deployment#example-1
-var keyVaultUrl = 'https://${environmentKeyVaultName}${az.environment().suffixes.keyvaultDns}/secrets/dialogportenAdoConnectionString'
+var keyVaultBaseUrl = 'https://${environmentKeyVaultName}${az.environment().suffixes.keyvaultDns}/secrets'
 
 var secrets = [
   {
     name: 'dbconnectionstring'
-    keyVaultUrl: keyVaultUrl
+    keyVaultUrl: '${keyVaultBaseUrl}/dialogportenAdoConnectionString'
+    identity: 'System'
+  }
+  {
+    name: 'redisconnectionstring'
+    keyVaultUrl: '${keyVaultBaseUrl}/dialogportenRedisConnectionString'
     identity: 'System'
   }
 ]

src/Digdir.Domain.Dialogporten.Janitor/appsettings.Development.json

@@ -1,7 +1,7 @@
 {
   "Infrastructure": {
     "Redis": {
-      "Enabled": false
+      "ConnectionString": "localhost:6379"
     },
     "DialogDbConnectionString": "TODO: Add to local secrets",
     "Maskinporten": {

src/Digdir.Domain.Dialogporten.Janitor/appsettings.prod.json

@@ -1,7 +1,7 @@
 {
   "Infrastructure": {
     "Redis": {
-      "Enabled": false
+      "ConnectionString": "TODO: Add to local secrets"
     },
     "DialogDbConnectionString": "TODO: Add to local secrets",
     "Maskinporten": {

src/Digdir.Domain.Dialogporten.Janitor/appsettings.staging.json

@@ -1,7 +1,7 @@
 {
   "Infrastructure": {
     "Redis": {
-      "Enabled": false
+      "ConnectionString": "TODO: Add to local secrets"
     },
     "DialogDbConnectionString": "TODO: Add to local secrets",
     "Maskinporten": {

src/Digdir.Domain.Dialogporten.Janitor/appsettings.test.json

@@ -1,7 +1,7 @@
 {
   "Infrastructure": {
     "Redis": {
-      "Enabled": false
+      "ConnectionString": "TODO: Add to local secrets"
     },
     "DialogDbConnectionString": "TODO: Add to local secrets",
     "Maskinporten": {