update composer installer file hash

Author: Sam-Cordry

Dockerfile

@@ -18,7 +18,7 @@ COPY csh-wiki-logo.png images/
 
 # Install composer, I guess...
 RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" && \
-    php -r "if (hash_file('sha384', 'composer-setup.php') === 'e21205b207c3ff031906575712edab6f13eb0b361f2085f1f1237b7126d785e826a450292b6cfd1d64d92e6563bbde02') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" && \
+    php -r "if (hash_file('sha384', 'composer-setup.php') === 'dac665fdc30fdd8ec78b38b9800061b4150413ff2e3b6f88543c636f7cd84f6db9189d43a81e5503cda447da73c7e5b6') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" && \
     php composer-setup.php && \
     php -r "unlink('composer-setup.php');" && \
     mv composer.phar /usr/local/bin/composer