fix: correct titles for 5 challenges (#36527)

curriculum/challenges/_meta/rosetta-code/meta.json

@@ -46,15 +46,15 @@
     ],
     [
       "594d8d0ab97724821379b1e6",
-      "Averages-Mode"
+      "Averages/Mode"
     ],
     [
       "594d966a1467eb84194f0086",
-      "Averages-Pythagorean means"
+      "Averages/Pythagorean means"
     ],
     [
       "594da033de4190850b893874",
-      "Averages-Root mean square"
+      "Averages/Root mean square"
     ],
     [
       "594db4d0dedb4c06a2a4cefd",
@@ -238,7 +238,7 @@
     ],
     [
       "5a23c84252665b21eecc7e7b",
-      "GeneratorExponential"
+      "Generator/Exponential"
     ],
     [
       "5a23c84252665b21eecc7e80",

curriculum/challenges/english/08-coding-interview-prep/rosetta-code/averages-mode.english.md

@@ -1,5 +1,5 @@
 ---
-title: Averages-Mode
+title: Averages/Mode
 id: 594d8d0ab97724821379b1e6
 challengeType: 5
 ---

curriculum/challenges/english/08-coding-interview-prep/rosetta-code/averages-pythagorean-means.english.md

@@ -1,5 +1,5 @@
 ---
-title: Averages-Pythagorean means
+title: Averages/Pythagorean means
 id: 594d966a1467eb84194f0086
 challengeType: 5
 ---

curriculum/challenges/english/08-coding-interview-prep/rosetta-code/averages-root-mean-square.english.md

@@ -1,5 +1,5 @@
 ---
-title: Averages-Root mean square
+title: Averages/Root mean square
 id: 594da033de4190850b893874
 challengeType: 5
 ---

curriculum/challenges/english/08-coding-interview-prep/rosetta-code/generator-exponential.english.md

@@ -1,5 +1,5 @@
 ---
-title: GeneratorExponential
+title: Generator/Exponential
 id: 5a23c84252665b21eecc7e7b
 challengeType: 5
 ---