ci: enable gc64 builds for opensuse systems

NO_DOC=ci
NO_TEST=ci
NO_CHANGELOG=ci

.github/workflows/opensuse_15_1.yml

@@ -41,6 +41,11 @@ jobs:
 
     runs-on: ubuntu-20.04-self-hosted
 
+    strategy:
+      fail-fast: false
+      matrix:
+        gc64: [ "GC64=OFF", "GC64=ON" ]
+
     steps:
       - uses: actions/checkout@v2.3.4
         with:
@@ -52,6 +57,7 @@ jobs:
           RWS_AUTH: ${{ secrets.RWS_AUTH }}
           OS: 'opensuse-leap'
           DIST: '15.1'
+          GC64: -DLUAJIT_ENABLE_${{ matrix.gc64 }}
         uses: ./.github/actions/pack_and_deploy
       - name: call action to send Telegram message on failure
         env:

.github/workflows/opensuse_15_2.yml

@@ -41,6 +41,11 @@ jobs:
 
     runs-on: ubuntu-20.04-self-hosted
 
+    strategy:
+      fail-fast: false
+      matrix:
+        gc64: [ "GC64=OFF", "GC64=ON" ]
+
     steps:
       - uses: actions/checkout@v2.3.4
         with:
@@ -52,6 +57,7 @@ jobs:
           RWS_AUTH: ${{ secrets.RWS_AUTH }}
           OS: 'opensuse-leap'
           DIST: '15.2'
+          GC64: -DLUAJIT_ENABLE_${{ matrix.gc64 }}
         uses: ./.github/actions/pack_and_deploy
       - name: call action to send Telegram message on failure
         env: