More meaningful concurrency group names

Author: wcandillon

.github/workflows/android-ubuntu.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 55
     concurrency:
-      group: ci-${{ github.ref }}
+      group: android-unbuntu-${{ github.ref }}
       cancel-in-progress: true
     steps:
       - name: checkout

.github/workflows/tests.yml

@@ -6,7 +6,7 @@ jobs:
     env:
       WORKING_DIRECTORY: ./
     concurrency:
-      group: ci-${{ github.ref }}
+      group: tests-${{ github.ref }}
       cancel-in-progress: true
     steps:
       - name: checkout