fix(rpm): add systemd-rpm-macros to Dockerfile.package, fix correlator spec_version

- sentinel/correlator: install systemd-rpm-macros in rpm-builder stage
- correlator: use build_version macro (not version) to avoid recursive expansion
- mod-reqin-log: fix ctest --test-dir to find tests in build/tests/

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

services/sentinel/Dockerfile.package

@@ -51,7 +51,7 @@ WORKDIR /package
 
 ARG VERSION=dev
 
-RUN dnf install -y rpm-build rpmdevtools && dnf clean all
+RUN dnf install -y rpm-build rpmdevtools systemd-rpm-macros && dnf clean all
 
 RUN mkdir -p /root/rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS} && \
     mkdir -p /root/rpmbuild/SOURCES/logrotate && \