fixed dnf install in Dockerfile (#14)

typo

Co-authored-by: Tullio Sebastiani <[email protected]>

Dockerfile

@@ -2,14 +2,15 @@ FROM quay.io/centos/centos:stream9
 ENV CONTAINER true
 ENV PATH $PATH:/root/.awscliv2/binaries
 RUN rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm &&\
-    dnf install -y which &&\
-    dnf install -y jq &&\
-    dnf install -y nc &&\
-    dnf install -y pip &&\
-    dnf install -y figlet &&\
-    dnf install -y openssh-clients &&\
-    dnf install -y less &&\
-    pip install awscliv2 &&\
+    dnf install -y          \
+    which                   \
+    jq                      \
+    nc                      \
+    pip                     \
+    figlet                  \
+    openssh-clients         \
+    less &&                 \
+    pip install awscliv2 && \
     awscliv2 -i 
 
 WORKDIR /app