Improve git clone handling

- Use environment variable for LFS
- Update version to 0.7.4

Author: HaiHui886

pycsghub/repository.py

@@ -225,11 +225,13 @@ def git_clone(
         repo_url: str
     ) -> subprocess.CompletedProcess:
         try:
+            env = os.environ.copy()
+            env.update({"GIT_LFS_SKIP_SMUDGE": "1"})
             result = self.run_subprocess(
                 command=f"git clone -b {branch_name} {repo_url}", 
                 folder=self.work_dir,
                 check=True,
-                env={"GIT_LFS_SKIP_SMUDGE": "1"}
+                env=env
             ).stdout.strip()
         except subprocess.CalledProcessError as exc:
             raise EnvironmentError(exc.stderr)

setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name='csghub-sdk',
-    version='0.7.3',
+    version='0.7.4',
     author="opencsg",
     author_email="contact@opencsg.com",
     long_description=long_description,