OpenSUSE: add opensuse-15.5

https://en.opensuse.org/Release_announcement_15.5

https://doc.opensuse.org/release-notes/x86_64/openSUSE/Leap/15.5/index.html

https://en.opensuse.org/Lifetime#openSUSE_Leap

openSUSE Leap 15.5 - is expected to be maintained until end of December 2024

* Drop python (python2). If you still need it, build your own
  containers.

Signed-off-by: Tim Orling <tim.orling@konsulko.com>

.github/workflows/build-test-deploy.yml

@@ -31,6 +31,7 @@ jobs:
           fedora-38,
           fedora-39,
           opensuse-15.4,
+          opensuse-15.5,
           ubuntu-18.04,
           ubuntu-20.04,
           ubuntu-22.04

dockerfiles/opensuse/opensuse-15.5/opensuse-15.5-base/Dockerfile

@@ -0,0 +1,62 @@
+# opensuse-15.5-base
+# Copyright (C) 2015-2020 Intel Corporation
+# Copyright (C) 2022-2024 Konsulko Group
+#
+# SPDX-License-Identifier: GPL-2.0-only
+##
+
+FROM opensuse/leap:15.5
+
+# Keep these in alphabetical order, as sorted by vim :sort
+RUN zypper --non-interactive install \
+                   bzip2 \
+                   chrpath \
+                   diffstat \
+                   gcc \
+                   gcc-c++ \
+                   git \
+                   glibc-locale \
+                   gzip \
+                   iproute2 \
+                   libSDL-devel \
+                   lz4 \
+                   make \
+                   makeinfo \
+                   net-tools \
+                   patch \
+                   python3 \
+		   python3-Jinja2 \
+                   python3-curses \
+		   python3-pexpect \
+		   python3-pip \
+                   rpcgen \
+                   socat \
+                   subversion \
+                   sudo \
+                   tar \
+                   wget \
+                   xorg-x11-Xvnc \
+                   xz \
+                   zstd && \
+    cp -af /etc/skel/ /etc/vncskel/ && \
+    echo "export DISPLAY=1" >>/etc/vncskel/.bashrc && \
+    mkdir  /etc/vncskel/.vnc && \
+    echo "" | vncpasswd -f > /etc/vncskel/.vnc/passwd && \
+    chmod 0600 /etc/vncskel/.vnc/passwd && \
+    useradd -U -m yoctouser
+
+# Install buildtools. The original reason this was needed was due to a
+# sanity check for make 4.1.2, but now we're relying on python-3.8 so instead
+# of -make, install all the buildtools
+
+COPY install-buildtools.sh /
+RUN bash /install-buildtools.sh && \
+    rm /install-buildtools.sh
+
+COPY build-install-dumb-init.sh /
+RUN  bash /build-install-dumb-init.sh && \
+     rm /build-install-dumb-init.sh
+
+USER yoctouser
+WORKDIR /home/yoctouser
+CMD /bin/bash