bump to 3.8.11

Dockerfile

@@ -1,11 +1,13 @@
-FROM python:3.8.6-slim
+FROM python:3.8.11-slim
 
 COPY requirements.txt .
 RUN pip install -r requirements.txt
 
 RUN mkdir -p /usr/share/man/man1 && \
     apt update -y && \
-    apt install curl openjdk-11-jdk -y && \
+    apt install --no-install-recommends -y \
+        curl \
+        openjdk-11-jdk && \
     curl -sLo Lavalink.jar https://github.com/freyacodes/Lavalink/releases/download/3.3.2.5/Lavalink.jar && \
     apt remove curl -y