Add CMSSW_15_0_4 for el8_aarch64_gcc12 (non-production arch) as Production release.

Author: cmsbuild

Diff for: releases.map

@@ -4590,3 +4590,4 @@ architecture=slc7_amd64_gcc11;label=CMSSW_13_2_14;type=Production;state=Announce
 architecture=el8_amd64_gcc11;label=CMSSW_13_2_14;type=Production;state=Announced;prodarch=1;
 architecture=el9_amd64_gcc11;label=CMSSW_13_2_14;type=Production;state=Announced;prodarch=0;
 architecture=el9_aarch64_gcc12;label=CMSSW_15_0_4;type=Production;state=Announced;prodarch=0;
+architecture=el8_aarch64_gcc12;label=CMSSW_15_0_4;type=Production;state=Announced;prodarch=0;