fix(deps): update all dependencies

src/backend/server/src/Todo.Core/Todo.Core.csproj

@@ -14,7 +14,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Mediatr" Version="14.0.0" />
+        <PackageReference Include="Mediatr" Version="12.4.1" />
     </ItemGroup>
 
 </Project>

src/backend/server/src/Todo.Infrastructure/Todo.Infrastructure.csproj

@@ -11,7 +11,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="10.0.1"/>
+        <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="9.0.2"/>
     </ItemGroup>
 
     <ItemGroup>

src/client/package.json

@@ -9,9 +9,9 @@
   },
   "dependencies": {
     "@microsoft/signalr": "8.0.7",
-    "@reduxjs/toolkit": "2.11.1",
+    "@reduxjs/toolkit": "2.6.1",
     "@tippyjs/react": "4.2.6",
-    "axios": "1.13.2",
+    "axios": "1.8.4",
     "next": "15.2.1",
     "next-pwa": "5.6.0",
     "react": "19.0.0",
@@ -23,13 +23,13 @@
   "devDependencies": {
     "@types/react": "19.0.10",
     "@types/react-redux": "7.1.34",
-    "autoprefixer": "10.4.22",
+    "autoprefixer": "10.4.21",
-    "cssnano": "7.1.2",
+    "cssnano": "7.0.6",
     "eslint": "9.21.0",
     "eslint-config-next": "15.2.1",
-    "postcss": "8.5.6",
+    "postcss": "8.5.3",
-    "postcss-import": "16.1.1",
+    "postcss-import": "16.1.0",
-    "prettier": "3.7.4",
+    "prettier": "3.5.3",
-    "typescript": "5.9.3"
+    "typescript": "5.8.2"
   }
 }