chore: add dependabot configuration for pip updates

Author: liuruibin

.github/dependabot.yml

@@ -0,0 +1,7 @@
+version: 2
+updates:
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      timezone: "Asia/Shanghai"

pyproject.toml

@@ -7,11 +7,11 @@ readme = "README.md"
 
 [tool.poetry.dependencies]
 python = "^3.11"
-django = "^5.2"
-drf-spectacular = {extras = ["sidecar"], version = "^0.28.0"}
-django-redis = "^5.4.0"
-psycopg2-binary = "^2.9.10"
-django-db-connection-pool = "^1.2.5"
+django = "5.2"
+drf-spectacular = {extras = ["sidecar"], version = "0.28.0"}
+django-redis = "5.4.0"
+psycopg2-binary = "2.9.10"
+django-db-connection-pool = "1.2.5"
 
 
 [build-system]