chore(eslint): allow PascalCase for imports

Applies https://github.com/typescript-eslint/typescript-eslint/pull/7841 to our config

Signed-off-by: David Mehren <git@herrmehren.de>

backend/.eslintrc.js

@@ -72,6 +72,10 @@ module.exports = {
         leadingUnderscore: 'allow',
         trailingUnderscore: 'allow',
       },
+      {
+        selector: 'import',
+        format: ['camelCase', 'PascalCase'],
+      },
       {
         selector: 'enumMember',
         format: ['UPPER_CASE'],