fix: install missing packages and fix TS errors

- Install @mui/x-data-grid in frontend (fixes AuditLog)
- Install jose in backend (fixes authentik service)
- Update .npmrc to use npm.apple.com proxy
- Fix AuditLog localeText to use MUI DataGrid v7 API keys
- Fix banner controller: cast req.params.id to string
- Remove unused logger import in banner.service.ts

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/pages/admin/AuditLog.tsx

@@ -720,12 +720,10 @@ const AuditLog: React.FC = () => {
                 },
               }}
               localeText={{
-                noRowsLabel:            'Keine Eintraege gefunden',
-                MuiTablePagination: {
-                  labelRowsPerPage:     'Eintraege pro Seite:',
-                  labelDisplayedRows:   ({ from, to, count }: { from: any; to: any; count: any }) =>
-                    `${from}–${to} von ${count !== -1 ? count : `mehr als ${to}`}`,
-                },
+                noRowsLabel: 'Keine Eintraege gefunden',
+                paginationRowsPerPage: 'Eintraege pro Seite:',
+                paginationDisplayedRows: ({ from, to, count }: { from: any; to: any; count: any }) =>
+                  `${from}–${to} von ${count !== -1 ? count : `mehr als ${to}`}`,
               }}
               autoHeight
             />