Merge branch 'cppcheck.xAODBTagging-20210618' into 'master'

xAODBTagging: Fix cppcheck warning.

See merge request !44540

Event/xAOD/xAODBTagging/Root/BTaggingUtilities.cxx

@@ -49,6 +49,7 @@ namespace xAOD::BTaggingUtilities {
    const ElementLink< xAOD::BTaggingContainer >&
    getBTaggingLink( const SG::AuxElement& part ) {
 
+     // cppcheck-suppress returnTempReference; false positive
      return DEFAULT_ACC( part );
    }