Update dockerfile instead of pyproject.toml because lazy

Dockerfile

@@ -6,6 +6,9 @@ WORKDIR /app
 # Install Poetry
 RUN pip install poetry
 
+# Install additional packages
+RUN pip install markdown
+
 # Copy project files
 COPY pyproject.toml poetry.lock README.md ./
 COPY main.py .

pyproject.toml

@@ -10,8 +10,7 @@ requires-python = ">=3.13"
 dependencies = [
     "python-telegram-bot (>=21.10,<22.0)",
     "flowise (>=1.0.4,<2.0.0)",
-    "python-dotenv (>=1.0.1,<2.0.0)",
-    "markdown (>=3.4.0,<4.0.0)"
+    "python-dotenv (>=1.0.1,<2.0.0)"
 ]