GHA: explicitly specify whether $DISTRO packages require subscription

to have all info at one place in the file.

.github/workflows/rpm.yml

@@ -17,16 +17,22 @@ jobs:
         distro:
           - name: centos
             release: 7
+            subscription: false
           - name: fedora
             release: 35
+            subscription: false
           - name: fedora
             release: 34
+            subscription: false
           - name: sles
             release: '15.3'
+            subscription: true
           - name: sles
             release: '12.5'
+            subscription: true
           - name: opensuse
             release: '15.3'
+            subscription: false
 
     runs-on: ubuntu-latest
 
@@ -43,7 +49,7 @@ jobs:
         env:
           GITLAB_REGISTRY_RO_TOKEN: '${{ secrets.GITLAB_REGISTRY_RO_TOKEN }}'
         run: |
-          if [ '${{ matrix.distro.name }}' = sles ]; then
+          if [ ${{ matrix.distro.subscription }} = true ]; then
             if [ "$(tr -d '\n' <<<"$GITLAB_REGISTRY_RO_TOKEN" |wc -c)" -eq 0 ]; then
               echo '::set-output name=CAN_BUILD::false'
               echo '::set-output name=NEED_LOGIN::false'