Fixes vim rc error

Author: jimyhuang

Dockerfile

@@ -89,7 +89,7 @@ RUN \
   mkdir -p /run/php && chmod 777 /run/php
 
 RUN \
-  echo "source /usr/share/vim/vim81/defaults.vim" > /etc/vim/vimrc.local && \
+  echo "source /usr/share/vim/vim82/defaults.vim" > /etc/vim/vimrc.local && \
   echo "let skip_defaults_vim = 1" >> /etc/vim/vimrc.local && \
   echo "if has('mouse')" >> /etc/vim/vimrc.local && \
   echo "  set mouse=" >> /etc/vim/vimrc.local && \