fix: misspelling of 'Cucumber' in Java Course (#8457)

Co-authored-by: Allen Terescenco <allen.terescenco@gmail.com>

public/roadmap-content/java.json

@@ -1460,7 +1460,7 @@
     ]
   },
   "UFDy19TNkykRsKv4vRsVJ": {
-    "title": "Cucubmber-JVM",
+    "title": "Cucumber-JVM",
     "description": "Cucumber is a testing tool that supports Behavior Driven Development (BDD). It offers a way to write tests that anybody can understand, regardless of their technical knowledge.\n\nVisit the following resources to learn more:",
     "links": [
       {

src/data/roadmaps/java/java.json

@@ -4070,7 +4070,7 @@
       },
       "selected": true,
       "data": {
-        "label": "Cucubmber-JVM",
+        "label": "Cucumber-JVM",
         "style": {
           "fontSize": 17,
           "justifyContent": "flex-start",