Changed gradio version check from print statement to warning (#8609)

* changed print statement to warning

* Updated warnings in single line

* add changeset

---------

Co-authored-by: gradio-pr-bot <[email protected]>

Author: gdevakumar

.changeset/fifty-books-fly.md

@@ -0,0 +1,5 @@
+---
+"gradio": patch
+---
+
+feat:Changed gradio version check from print statement to warning

gradio/analytics.py

@@ -103,11 +103,11 @@ def version_check():
         current_pkg_version = get_package_version()
         latest_pkg_version = httpx.get(url=PKG_VERSION_URL, timeout=3).json()["version"]
         if Version(latest_pkg_version) > Version(current_pkg_version):
-            print(
+            warnings.warn(
                 f"IMPORTANT: You are using gradio version {current_pkg_version}, "
-                f"however version {latest_pkg_version} is available, please upgrade."
+                f"however version {latest_pkg_version} is available, please upgrade. \n"
+                f"--------"
             )
-            print("--------")
     except json.decoder.JSONDecodeError:
         warnings.warn("unable to parse version details from package URL.")
     except KeyError: