gh-41029: Add debian-forky to Meson CI
    
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URL: #41029
Reported by: Tobias Diez
Reviewer(s):

Author: Release Manager

.devcontainer/portability-debian-forky/devcontainer.json

@@ -0,0 +1,24 @@
+// See https://aka.ms/devcontainer.json for format details.
+{
+    "name": "debian-forky",
+    "image": "debian:forky",
+    "onCreateCommand": ".devcontainer/onCreate-meson.sh || true",
+    "features": {
+        "ghcr.io/devcontainers/features/git": {},
+        "ghcr.io/devcontainers/features/python:1": {},
+        "../uv": {
+			"version": "latest"
+		}
+    },
+    "containerEnv": {
+        "devcontainerId": "${devcontainerId}",
+        "UV_PROJECT_ENVIRONMENT": ".venv-${devcontainerId}" 
+    },
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "ms-python.python"
+            ]
+        }
+    }
+}

.github/workflows/ci.yml

@@ -23,6 +23,7 @@ jobs:
         container:
           - fedora:41
           - fedora:42
+          - debian:forky
           - ghcr.io/void-linux/void-glibc-full
           - archlinux
           #- ubuntu:22.04 - fails due to issue with cypari2

.vscode/settings.json

@@ -42,6 +42,7 @@
         "Cython",
         "d'Alembertian",
         "dalembertian",
+        "devcontainers",
         "disp",
         "doctest",
         "doctests",