update requirements in backend

Signed-off-by: mahdikhashan <[email protected]>

Author: mahdikhashan

backend/requirements.txt

@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.7
+# This file is autogenerated by pip-compile with Python 3.9
 # by the following command:
 #
-#    pip-compile --output-file=- -
+#    pip-compile --resolver=backtracking
 #
 cachetools==5.3.1
     # via google-auth
@@ -41,10 +41,8 @@ googleapis-common-protos==1.60.0
     # via google-api-core
 idna==3.4
     # via requests
-importlib-metadata==6.7.0
-    # via click
 kfp==2.0.1
-    # via -r -
+    # via -r requirements.in
 kfp-pipeline-spec==0.2.2
     # via kfp
 kfp-server-api==2.0.1
@@ -93,10 +91,6 @@ six==1.16.0
     #   python-dateutil
 tabulate==0.9.0
     # via kfp
-typing-extensions==4.7.1
-    # via
-    #   importlib-metadata
-    #   kfp
 urllib3==1.26.16
     # via
     #   google-auth
@@ -106,8 +100,6 @@ urllib3==1.26.16
     #   requests
 websocket-client==1.6.1
     # via kubernetes
-zipp==3.15.0
-    # via importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools