Unify dep installation and update

deployment/Dockerfile.fedora.amd64

@@ -9,10 +9,8 @@ ENV ARTIFACT_DIR=/dist
 ENV IS_DOCKER=YES
 
 # Prepare Fedora environment
-RUN dnf update -y
-
-# Install build dependencies
-RUN dnf install -y @buildsys-build rpmdevtools git dnf-plugins-core libcurl-devel fontconfig-devel freetype-devel openssl-devel glibc-devel libicu-devel
+RUN dnf update -y \
+ && dnf install -y @buildsys-build rpmdevtools git dnf-plugins-core libcurl-devel fontconfig-devel freetype-devel openssl-devel glibc-devel libicu-devel
 
 # Install DotNET SDK
 RUN rpm --import https://packages.microsoft.com/keys/microsoft.asc \