✏️ Fix micro typo in comment

Author: tiangolo

scripts/docker/Dockerfile

@@ -1,6 +1,6 @@
 FROM python:latest
 
-# Add fish
+# Add Fish
 RUN echo 'deb http://download.opensuse.org/repositories/shells:/fish:/release:/3/Debian_12/ /' | tee /etc/apt/sources.list.d/shells:fish:release:3.list
 RUN curl -fsSL https://download.opensuse.org/repositories/shells:fish:release:3/Debian_12/Release.key | gpg --dearmor | tee /etc/apt/trusted.gpg.d/shells_fish_release_3.gpg > /dev/null