fix workflow matrix definitions

Author: sjpb

.github/workflows/fatimage.yml

@@ -1,13 +1,13 @@
 
 name: Build fat image
-'on':
+on:
   workflow_dispatch:
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}-${{ matrix.os_version }}-${{ matrix.build }} # to branch/PR + OS + build
-  cancel-in-progress: true
 jobs:
   openstack:
     name: openstack-imagebuild
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}-${{ matrix.os_version }}-${{ matrix.build }} # to branch/PR + OS + build
+      cancel-in-progress: true
     runs-on: ubuntu-22.04
     strategy:
       fail-fast: false # allow other matrix jobs to continue even if one fails

.github/workflows/stackhpc.yml

@@ -14,6 +14,7 @@ jobs:
       cancel-in-progress: true
     runs-on: ubuntu-22.04
     strategy:
+      fail-fast: false # allow other matrix jobs to continue even if one fails
       matrix:
         os_version:
           - RL8