feat: allow t as identifier (id-length)

Used when working with vitest.

Author: robertrossmann

packages/eslint-config-base/style.mjs

@@ -166,6 +166,8 @@ const config = {
         'R',
         // jQuery 🤮
         '$',
+        // vitest in-test context: `it('works', t => { t.expect(1).toBe(1) })`
+        't',
       ],
     }],