fix(curriculum): correct language identifier for Java code block (#62916)

curriculum/challenges/english/blocks/lecture-working-with-data-types/672d264645e289208e562f10.md

@@ -26,7 +26,7 @@ For instance, if you declare a variable as `integer`, you can only assign it int
 
 Here's an example in Java language:
 
-```js
+```java
 int value = 42; // value must always be an integer
 value = "Hello"; // This would cause an error in Java
 ```

curriculum/challenges/english/blocks/review-javascript-variables-and-data-types/6723be264695fb7e619fe1fa.md

@@ -182,7 +182,7 @@ error = "Not Found"; // JavaScript now treats error as a string
 
 - Other languages, like Java, that are not dynamically typed would result in an error:
 
-```js
+```java
 int error = 404; // value must always be an integer
 error = "Not Found"; // This would cause an error in Java
 ```

curriculum/challenges/english/blocks/review-javascript/6723d3cfdd0717d3f1bf27e3.md

@@ -185,7 +185,7 @@ error = "Not Found"; // JavaScript now treats error as a string
 
 - Other languages, like Java, that are not dynamically typed would result in an error:
 
-```js
+```java
 int error = 404; // value must always be an integer
 error = "Not Found"; // This would cause an error in Java
 ```