Use maven_repository, not maven-repository

The registry/language mapping table does not map the one with hyphens.

Author: mario-campos

.github/workflows/__start-proxy.yml

@@ -19,11 +19,11 @@ steps:
       registry_secrets: |
         [
           {
-            "type": "maven-repository",
+            "type": "maven_repository",
             "url": "https://acme.jfrog.io/artifactory/my-maven-registry"
           },
           {
-            "type": "maven-repository",
+            "type": "maven_repository",
             "url": "https://repo1.maven.org/maven2"
           }
         ]
@@ -40,7 +40,7 @@ steps:
 
   - name: Validate proxy_urls contains expected registries
     if: |
-      join(fromJSON(steps.proxy.outputs.proxy_urls)[*].type, ',') != 'maven-repository,maven-repository'
+      join(fromJSON(steps.proxy.outputs.proxy_urls)[*].type, ',') != 'maven_repository,maven_repository'
       || !contains(fromJSON(steps.proxy.outputs.proxy_urls)[*].url, 'https://acme.jfrog.io/artifactory/my-maven-registry')
       || !contains(fromJSON(steps.proxy.outputs.proxy_urls)[*].url, 'https://repo1.maven.org/maven2')
     run: exit 1