src/konflux-rpm-lockfile: pull $releasever from manifest

Make sure to not rely on the host $releasever to resolves the packages
to avoid a desync

Author: jbtrystram

src/konflux-rpm-lockfile

@@ -174,11 +174,12 @@ def generate_main(args):
         print(f"flattened manifest not found at {manifest}")
         sys.exit(1)
 
+    releasever = manifest_data.get('releasever', '')
     repos = manifest_data.get('repos', [])
     repos += manifest_data.get('lockfile-repos', [])
 
     # Tell dnf to load repos files from $contextdir
-    repoquery_args = ["--refresh", "--quiet", f"--setopt=reposdir={contextdir}"]
+    repoquery_args = ["--refresh", "--quiet", f"--setopt=reposdir={contextdir}", f"--releasever={releasever}"]
     repoquery_args.extend([f"--repo={','.join(repos)}"])
 
     packages = []