Update python-app.yml

Author: priyagupta108

.github/workflows/python-app.yml

@@ -8,11 +8,11 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Add Invalid Path
       run: |
-        echo "D:\InvalidPath" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+        echo "D:\InvalidPath" | Out-File -FilePath $env:$GITHUB_ENV -Encoding utf8 -Append
         echo "Updated PATH: $env:PATH"
 
     - name: Verify Invalid Path Added
@@ -22,7 +22,7 @@ jobs:
       run: |
         $cleanedPath = ($env:PATH -split ';' | Where-Object { Test-Path $_ }) -join ';'
         echo "Cleaned PATH: $cleanedPath"
-        echo $cleanedPath >> $env:GITHUB_PATH
+        echo $cleanedPath >> $env:$GITHUB_ENV
       shell: pwsh