fix: fix generate step

Author: nicolethoen

packages/react-icons/scripts/generateIcons.mjs

@@ -1,10 +1,10 @@
 import faIcons from './icons/fontawesomeIcons.mjs';
 import patternflyIcons from './icons/patternflyIcons.mjs';
 import customIcons from './icons/customIcons.mjs';
-import rhIconsMicrons from './icons/rhIconsMicrons.mjs';
-import rhIconsStandard from './icons/rhIconsStandard.mjs';
-import rhIconsSocial from './icons/rhIconsSocial.mjs';
-import rhIconsUI from './icons/rhIconsUI.mjs';
+import rhIconsMicrons from './icons/RhIconsMicrons.mjs';
+import rhIconsStandard from './icons/RhIconsStandard.mjs';
+import rhIconsSocial from './icons/RhIconsSocial.mjs';
+import rhIconsUI from './icons/RhIconsUI.mjs';
 
 /**
  * Generates icons from FontAwesome, PatternFly CSS, and custom icons in this repo.