GitHub Actions: test with Go 1.24 .. 1.15

Author: stapelberg

.github/workflows/push.yml

@@ -13,8 +13,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        # Debian oldstable (buster) has Go 1.11
-        go: [ '1.19', '1.18', '1.17', '1.16', '1.15', '1.14', '1.13', '1.12', '1.11' ]
+        # Debian oldstable (bullseye) has Go 1.15
+        go: [ '1.24', '1.23', '1.22', '1.21', '1.20', '1.19', '1.18', '1.17', '1.16', '1.15' ]
     steps:
 
     - name: Set up Go 1.x