chore: Use path.posix over backslash conversion

Author: scagood

lib/rules/no-hide-core-modules.js

@@ -47,7 +47,6 @@ const CORE_MODULES = new Set([
     "vm",
     "zlib",
 ])
-const BACK_SLASH = /\\/gu
 
 module.exports = {
     meta: {
@@ -137,9 +136,10 @@ module.exports = {
                             loc: target.node.loc,
                             messageId: "unexpectedImport",
                             data: {
-                                name: path
-                                    .relative(dirPath, target.filePath)
-                                    .replace(BACK_SLASH, "/"),
+                                name: path.posix.relative(
+                                    dirPath,
+                                    target.filePath
+                                ),
                             },
                         })
                     }