Updated CI to test on Ubuntu 26.04.

Author: tdulcet

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-22.04, ubuntu-24.04, ubuntu-22.04-arm, ubuntu-24.04-arm]
+        os: [ubuntu-22.04, ubuntu-24.04, ubuntu-26.04, ubuntu-22.04-arm, ubuntu-24.04-arm, ubuntu-26.04-arm]
       fail-fast: false
     steps:
     - uses: actions/checkout@v6
@@ -65,7 +65,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, ubuntu-24.04-arm]
-        container: ["ubuntu:14.04", "ubuntu:16.04", "ubuntu:18.04", "ubuntu:20.04", "alpine:3.8", "alpine:3.12", "alpine:3.16", "alpine:3.20"]
+        container: ["ubuntu:14.04", "ubuntu:16.04", "ubuntu:18.04", "ubuntu:20.04", "alpine:3.8", "alpine:3.12", "alpine:3.16", "alpine:3.20", "alpine:3.24"]
       fail-fast: false
     steps:
     # - uses: actions/checkout@v6