build: fix yaml syntax for libnvme release python workflow

The last commit introduced a syntax error (sic).

Signed-off-by: Daniel Wagner <[email protected]>

Author: igaw

.github/workflows/libnvme-release-python.yml

@@ -86,7 +86,7 @@ jobs:
           git commit -m "ci: set project version to ${DEV_VERSION}"
 
       - name: Build sdist
-         run: |
+        run: |
           pipx run build --sdist
 
       - name: Validate sdist