switch from jest to vitest

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

__tests__/setup.unit.ts

@@ -0,0 +1,12 @@
+import fs from 'node:fs';
+import os from 'node:os';
+import path from 'node:path';
+
+const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'docker-login-action-'));
+
+process.env = Object.assign({}, process.env, {
+  TEMP: tmpDir,
+  GITHUB_REPOSITORY: 'docker/login-action',
+  RUNNER_TEMP: path.join(tmpDir, 'runner-temp'),
+  RUNNER_TOOL_CACHE: path.join(tmpDir, 'runner-tool-cache')
+});