fix: use version from .spec file for RPM builds

- Extract version dynamically from packaging/rpm/logcorrelator.spec
- Apply to both Dockerfile and Dockerfile.package
- Ensures RPM packages always use the correct version from spec file

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

Dockerfile

@@ -94,7 +94,7 @@ RUN mkdir -p /tmp/pkgroot/var/log/logcorrelator && \
     chmod 755 /tmp/pkgroot/var/run/logcorrelator
 
 # Build RPM
-ARG VERSION=1.0.0
+ARG VERSION=$(grep -m1 "^Version:" packaging/rpm/logcorrelator.spec | awk '{print $2}')
 RUN fpm -s dir -t rpm \
     -n logcorrelator \
     -v ${VERSION} \