Updated release not and cta.spec.in for v3.1-7 release

ReleaseNotes.md

+# v3.1-7
+
+## Summary
+
+This release contains a correction of a performance issue introduced in the v3.1-6 version
+
+### Bug fixes
+
+- cta/CTA#893 Corrected slowliness of RdbmsCatalogue::getArchiveFileToRetrieveByArchiveFileId()
+
 # v3.1-6
 
 ## Summary

cta.spec.in

@@ -488,6 +488,8 @@ Currently contains a helper for the client-ar script, which should be installed
 %attr(0755,root,root) /usr/bin/cta-client-ar-abortPrepare
 
 %changelog
+* Wed Sep 23 2020 julien.leduc (at) cern.ch - 3.1-7
+- cta/CTA#893 Corrected slowliness of RdbmsCatalogue::getArchiveFileToRetrieveByArchiveFileId()
 * Mon Sep 21 2020 julien.leduc (at) cern.ch - 3.1-6
 - cta/CTA#881 cta-fst-gcd logs can be now sent to stdout by command line option for container based deployments
 - cta/CTA#885 cta-admin should be able to query by sys.archive.file_id