fix: switch to release candidate 2 of Python 3.14

Author: vinitkumar

.github/workflows/pythonpackage.yml

@@ -1,6 +1,6 @@
 name: Json2xml
 
-on: 
+on:
   push:
     branches: [main, master]
     paths-ignore:
@@ -35,14 +35,14 @@ jobs:
           macos-latest,
         ]
         include:
-          # Add exact version 3.14.0-beta.1 for ubuntu-latest only
-          - python-version: 3.14.0-beta.1
+          # Add exact version 3.14.0-rc.2 for ubuntu-latest only
+          - python-version: 3.14.0-rc.2
             os: ubuntu-latest
         exclude:
-          # Exclude other OSes with Python 3.14.0-beta.1
-          - python-version: 3.14.0-beta.1
+          # Exclude other OSes with Python 3.14.0-rc.2
+          - python-version: 3.14.0-rc.2
             os: windows-latest
-          - python-version: 3.14.0-beta.1
+          - python-version: 3.14.0-rc.2
             os: macos-latest
 
     steps:
@@ -55,7 +55,7 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
         allow-prereleases: true
-    
+
     - name: Install uv
       uses: astral-sh/setup-uv@v6
       with:
@@ -106,7 +106,7 @@ jobs:
       uses: actions/[email protected]
       with:
         python-version: '3.12'
-    
+
     - name: Install uv
       uses: astral-sh/setup-uv@v6
       with:
@@ -135,7 +135,7 @@ jobs:
       uses: actions/[email protected]
       with:
         python-version: '3.12'
-    
+
     - name: Install uv
       uses: astral-sh/setup-uv@v6
       with: