feat: switch devcontainer to alpine 🚀 (#1241)

* feat: switch devcontainer to alpine 🚀

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: update talosctl arch

Signed-off-by: Devin Buhl <devin@buhl.casa>

* chore: add serious comment

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: pkg names

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>

.devcontainer/ci/devcontainer.json

@@ -1,40 +1,18 @@
 {
   "name": "Flux Cluster Template (CI)",
-  "image": "mcr.microsoft.com/devcontainers/base:bullseye",
+  "image": "mcr.microsoft.com/devcontainers/base:alpine",
   "features": {
-    "ghcr.io/audacioustux/devcontainers/cilium:1": {},
-    "ghcr.io/devcontainers/features/common-utils:2": {
-      "configureZshAsDefaultShell": true
-    },
-    "ghcr.io/devcontainers/features/github-cli:1": {},
-    "ghcr.io/devcontainers/features/python:1": {
-      "version": "3.11.7",
-      "installTools": false
-    },
-    "ghcr.io/devcontainers/features/kubectl-helm-minikube:1": {
-      "minikube": "none"
-    },
-    "ghcr.io/devcontainers-contrib/features/age:1": {},
-    "ghcr.io/devcontainers-contrib/features/cloudflared:1": {},
-    "ghcr.io/devcontainers-contrib/features/go-task:1": {},
-    "ghcr.io/devcontainers-contrib/features/direnv:1": {},
-    "ghcr.io/devcontainers-contrib/features/sops:1": {},
-    "ghcr.io/dhoeric/features/stern:1": {},
-    "ghcr.io/eitsupi/devcontainer-features/jq-likes:2": {},
-    "ghcr.io/framctr/devcontainer-features/talosctl:1": {},
-    "ghcr.io/gickis/devcontainer-features/kubeconform:1": {},
-    "ghcr.io/jsburckhardt/devcontainer-features/flux:1": {},
-    "ghcr.io/rio/features/kustomize:1": {}
+    "./features": {}
   },
   "customizations": {
     "vscode": {
       "settings": {
         "terminal.integrated.profiles.linux": {
           "bash": {
-            "path": "/bin/zsh"
+            "path": "/usr/bin/fish"
           }
         },
-        "terminal.integrated.defaultProfile.linux": "zsh"
+        "terminal.integrated.defaultProfile.linux": "fish"
       },
       "extensions": [
         "redhat.ansible",