Update the Quickref git address.

docker/Quickref

@@ -31,11 +31,11 @@ USER quickref
 
 # Common Lisp Packages
 RUN mkdir common-lisp \
-	&& cd common-lisp \
-	&& git clone --depth 1 https://github.com/didierverna/declt \
-	&& git clone --depth 1 https://gitlab.lrde.epita.fr/amartin/quickref \
-	&& git clone --depth 1 https://gitlab.common-lisp.net/asdf/asdf \
-	&& cd ..
+  && cd common-lisp \
+  && git clone --depth 1 https://github.com/didierverna/declt \
+  && git clone --depth 1 https://gitlab.common-lisp.net/quickref/quickref.git \
+  && git clone --depth 1 https://gitlab.common-lisp.net/asdf/asdf \
+  && cd ..
 
 # Quicklisp
 RUN wget https://beta.quicklisp.org/quicklisp.lisp \