🐛 Fix Windows path handling in createVenv function

src/venv.ts

@@ -1,8 +1,16 @@
 import { exec } from '@actions/exec'
 import { exportVariable, addPath } from '@actions/core'
 import os from 'os'
+import path from 'path'
+
+const uvBinPath = path.join(os.homedir(), '.local', 'bin')
 
 export async function createVenv(venv: string) {
+  if (os.platform() === 'win32') {
+    await exec('powershell', ['-Command', `$env:Path = "${uvBinPath};$env:Path"`])
+  }
+  addPath(uvBinPath)
+
   await exec('uv', ['venv', venv])
 }
 
@@ -15,4 +23,4 @@ export async function activateVenv(venv: string) {
     addPath(`${venv}/bin`)
   }
   exportVariable('VIRTUAL_ENV', venv)
-}
+}