Update dependency tailwindcss to v4

.gitea/workflows/publish.yml

@@ -51,7 +51,7 @@ jobs:
           NODE_ENV: production
 
       - name: Create Release and Upload Assets
-        uses: https://git.quad4.io/actions/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b # v2
+        uses: https://git.quad4.io/actions/action-gh-release@de2c0eb89ae2a093876385947365aca7b0e5f844 # v1
         with:
           tag_name: ${{ github.event.inputs.tag_name || github.ref_name }}
           files: |

frontend/package.json

@@ -36,7 +36,7 @@
 		"svelte-check": "^4.3.5",
 		"svelte-eslint-parser": "^1.4.1",
 		"svelte-i18n": "^4.0.1",
-		"tailwindcss": "^3.4.19",
+		"tailwindcss": "^4.0.0",
 		"typescript": "^5.9.3",
 		"vite": "^7.3.0"
 	}