Update GitHub Actions workflows to use 'uv run' for Python execution in version checks

Author: NiveditJain

.github/workflows/publish-python-sdk-release.yml

@@ -102,7 +102,7 @@ jobs:
 
       - name: Verify version format
         run: |
-          python -c "
+          uv run python -c "
           import sys
           sys.path.append('.')
           from exospherehost._version import version

.github/workflows/publish-python-sdk.yml

@@ -79,7 +79,7 @@ jobs:
 
       - name: Check version for beta indicator
         run: |
-          python -c "
+          uv run python -c "
           import sys
           sys.path.append('.')
           from exospherehost._version import version