fixed correct button

src/data/roadmaps/postgresql-dba/postgresql-dba.json

@@ -585,8 +585,8 @@
       },
       "selected": false,
       "data": {
-        "label": "DevOps Roadmap",
+        "label": "roadmap.sh",
-        "href": "https://roadmap.sh/devops",
+        "href": "https://roadmap.sh",
         "color": "#ffffff",
         "backgroundColor": "#4136D6",
         "style": {
@@ -7362,8 +7362,8 @@
       },
       "selected": false,
       "data": {
-        "label": "Button",
+        "label": "DevOps Roadmap",
-        "href": "",
+        "href": "https://roadmap.sh/devops",
         "color": "#ffffff",
         "backgroundColor": "#2a79e4",
         "style": {