cmake(ci): use zypper refresh on opensuse

cmake/docker/opensuse/Dockerfile

@@ -4,13 +4,13 @@ FROM opensuse/tumbleweed AS base
 LABEL maintainer="corentinl@google.com"
 # Install system build dependencies
 ENV PATH=/usr/local/bin:$PATH
-RUN zypper update -y \
+RUN zypper refresh \
 && zypper install -y git gcc gcc-c++ cmake \
 && zypper clean -a
 ENV CC=gcc CXX=g++
 CMD [ "/usr/bin/bash" ]
 
 FROM base AS swig
-RUN zypper update -y \
+RUN zypper refresh \
 && zypper install -y swig \
 && zypper clean -a

cmake/docker/opensuse/dotnet.Dockerfile

@@ -1,6 +1,6 @@
 FROM ortools/cmake:opensuse_swig AS env
 # see: https://docs.microsoft.com/en-us/dotnet/core/install/linux-opensuse
-RUN zypper update -y \
+RUN zypper refresh \
 && zypper install -y wget tar gzip libicu-devel
 
 # .NET install

cmake/docker/opensuse/java.Dockerfile

@@ -1,6 +1,6 @@
 FROM ortools/cmake:opensuse_swig AS env
 # Install Java JDK and Maven
-RUN zypper update -y \
+RUN zypper refresh \
 && zypper install -y java-17-openjdk-devel maven \
 && zypper clean -a
 ENV PATH=/usr/share/maven/bin:$PATH

cmake/docker/opensuse/python.Dockerfile

@@ -1,6 +1,6 @@
 FROM ortools/cmake:opensuse_swig AS env
 ENV PATH=/root/.local/bin:$PATH
-RUN zypper update -y \
+RUN zypper refresh \
 && zypper install -y python3 python3-pip python3-devel \
 && zypper clean -a