Migrate the pypi package to khoj project name. Update references

- Deprecate khoj-assistant pypi package. Use more accurate and
  succinct pypi project name, khoj
- Update references to sye khoj pypi package in docs and code instead
  of the legacy khoj-assistant pypi package
- Update pypi workflow to publish to both khoj, khoj-assistant for now
- Update stale python 3.9 support mentioned in our pyproject. Can't
  support python 3.9 as depend on latest django which support >=3.10

src/interface/emacs/khoj.el

@@ -283,9 +283,9 @@ Auto invokes setup steps on calling main entrypoint."
     (if (/= (apply #'call-process khoj-server-python-command
                    nil t nil
                    "-m" "pip" "install" "--upgrade"
-                   '("khoj-assistant"))
+                   '("khoj"))
             0)
-        (message "khoj.el: Failed to install Khoj server. Please install it manually using pip install `khoj-assistant'.\n%s" (buffer-string))
+        (message "khoj.el: Failed to install Khoj server. Please install it manually using pip install `khoj'.\n%s" (buffer-string))
       (message "khoj.el: Installed and upgraded Khoj server version: %s" (khoj--server-get-version)))))
 
 (defun khoj--server-start ()

src/khoj/main.py

@@ -206,7 +206,7 @@ def set_state(args):
     state.host = args.host
     state.port = args.port
     state.anonymous_mode = args.anonymous_mode
-    state.khoj_version = version("khoj-assistant")
+    state.khoj_version = version("khoj")
     state.chat_on_gpu = args.chat_on_gpu
 
 

src/khoj/routers/auth.py

@@ -41,7 +41,7 @@ if not state.anonymous_mode:
         from google.auth.transport import requests as google_requests
         from google.oauth2 import id_token
     except ImportError:
-        missing_requirements += ["Install the Khoj production package with `pip install khoj-assistant[prod]`"]
+        missing_requirements += ["Install the Khoj production package with `pip install khoj[prod]`"]
     if not os.environ.get("RESEND_API_KEY") and (
         not os.environ.get("GOOGLE_CLIENT_ID") or not os.environ.get("GOOGLE_CLIENT_SECRET")
     ):

src/khoj/utils/cli.py

@@ -59,7 +59,7 @@ def cli(args=None):
     # Set default values for arguments
     args.chat_on_gpu = not args.disable_chat_on_gpu
 
-    args.version_no = version("khoj-assistant")
+    args.version_no = version("khoj")
     if args.version:
         # Show version of khoj installed and exit
         print(args.version_no)

src/khoj/utils/helpers.py

@@ -259,7 +259,7 @@ def log_telemetry(
     # Populate telemetry data to log
     request_body = {
         "telemetry_type": telemetry_type,
-        "server_version": version("khoj-assistant"),
+        "server_version": version("khoj"),
         "os": platform.system(),
         "timestamp": datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
     }