fix job name

Author: gionn

.github/workflows/build.yml

@@ -199,7 +199,7 @@ jobs:
           path: "*.deb"
 
   test_deb:
-    name: Test on ubuntu:${{ matrix.image_tag }} for ${{ matrix.target_arch }}
+    name: Test on ${{ matrix.base_image }} for ${{ matrix.target_arch }}
     runs-on: ${{ matrix.target_arch == 'aarch64' && 'ubuntu-latest-arm64' || 'ubuntu-latest' }}
     needs:
       - configure
@@ -250,7 +250,7 @@ jobs:
         run: docker run --name buildtest testenv ${{ steps.variables.outputs.imagemagick_version }} ${{ env.PKG_ARCH }}
 
   deploy_deb:
-    name: Deploy on ubuntu:${{ matrix.image_tag }} for ${{ matrix.target_arch }}
+    name: Deploy ${{ matrix.base_image }} ${{ matrix.target_arch }} artifact(s)
     runs-on: ubuntu-latest
     needs:
       - configure