chore(ci): Use a newer image for s3 ci jobs

ubuntu-20.04 does not exists anymore so they time out.

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

Author: come-nc

.github/workflows/s3-primary-integration.yml

@@ -18,7 +18,7 @@ concurrency:
 
 jobs:
   s3-primary-integration-tests-minio:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
 

.github/workflows/s3-primary.yml

@@ -18,7 +18,7 @@ concurrency:
 
 jobs:
   s3-primary-tests-minio:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     if: ${{ github.repository_owner != 'nextcloud-gmbh' }}