🧹 Optimize apt installation process in Dockerfile (#6153)

Merge multiple apt install commands into a single command to minimize redundant dependency resolution. Also, remove apt cache files after installation to reduce Docker image size.

**How to test**

Follow these steps to verify this PR works as intended:

* Run `docker build` command like: `docker build -t hedy .`.

**Checklist**

- [x] Contains one of the PR categories in the name
- [x] Describes changes in the format above
- [ ] Links to an existing issue or discussion
- [x] Has a "How to test" section

Dockerfile

@@ -2,10 +2,10 @@ FROM python:3.12-slim
 COPY requirements.txt /tmp/requirements.txt
 
 RUN apt update &&  \
-    apt install build-essential -y && \
-    apt install -y curl &&  \
+    apt install build-essential curl -y && \
     curl -fsSL https://deb.nodesource.com/setup_lts.x | bash - &&  \
     apt-get install -y nodejs && \
+    rm -rf /var/lib/apt/lists/* && \
     pip3 install --no-cache-dir -r /tmp/requirements.txt
 
 WORKDIR /app