fixing wrong names of dms metadata files

Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Sebastian Gode <sebastian.gode@telekom.de>
Co-committed-by: Sebastian Gode <sebastian.gode@telekom.de>

otc_metadata/data/documents/taurusdb-api-ref.yaml

@@ -8,6 +8,6 @@ title: API Reference
 type: api-ref
 cloud_environments:
   - name: eu_de
-    visibility: internal
+    visibility: public
     pdf_visibility: public
     pdf_enabled: true

otc_metadata/data/documents/taurusdb-umn.yaml

@@ -9,6 +9,6 @@ title: User Guide
 type: umn
 cloud_environments:
   - name: eu_de
-    visibility: internal
+    visibility: public
     pdf_visibility: public
     pdf_enabled: true

otc_metadata/data/services/gaussdb_mysql.yaml

@@ -8,5 +8,5 @@ teams:
     permission: write
 cloud_environments:
   - name: eu_de
-    visibility: public
+    visibility: internal
 is_global: false

otc_metadata/data/services/taurusdb.yaml

@@ -8,5 +8,5 @@ teams:
     permission: write
 cloud_environments:
   - name: eu_de
-    visibility: internal
+    visibility: public
 is_global: false