feat(medusa-react,medusa,utils): add users/me endpoint + add missing specs (#6441)

**what:**

- adds /me endpoint
- adds fixes to routes
- adds specs for auth endpoint
- updates dotenv package versions


Co-authored-by: Philip Korsholm <88927411+pKorsholm@users.noreply.github.com>

integration-tests/modules/__tests__/users/get-me.spec.ts

@@ -0,0 +1,51 @@
+import { initDb, useDb } from "../../../environment-helpers/use-db"
+
+import { AxiosInstance } from "axios"
+import path from "path"
+import { startBootstrapApp } from "../../../environment-helpers/bootstrap-app"
+import { useApi } from "../../../environment-helpers/use-api"
+import { createAdminUser } from "../../helpers/create-admin-user"
+
+jest.setTimeout(50000)
+
+const env = { MEDUSA_FF_MEDUSA_V2: true }
+const adminHeaders = {
+  headers: { "x-medusa-access-token": "test_token" },
+}
+
+describe("POST /admin/users/me", () => {
+  let dbConnection
+  let shutdownServer
+
+  beforeAll(async () => {
+    const cwd = path.resolve(path.join(__dirname, "..", ".."))
+    dbConnection = await initDb({ cwd, env } as any)
+    shutdownServer = await startBootstrapApp({ cwd, env })
+  })
+
+  beforeEach(async () => {
+    await createAdminUser(dbConnection, adminHeaders)
+  })
+
+  afterAll(async () => {
+    const db = useDb()
+    await db.shutdown()
+    await shutdownServer()
+  })
+
+  afterEach(async () => {
+    const db = useDb()
+    await db.teardown()
+  })
+
+  it("gets the current user", async () => {
+    const api = useApi()! as AxiosInstance
+
+    const response = await api.get(`/admin/users/me`, adminHeaders)
+
+    expect(response.status).toEqual(200)
+    expect(response.data).toEqual({
+      user: expect.objectContaining({ id: "admin_user" }),
+    })
+  })
+})