Release v3.6.0 (#10)

* Prepare release v3.6.0

* Update the state.json for v3.6.0

* Update README.md and action.yml for v3.6.0

* flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    '0196d1c3-1974-7bf1-bcf6-06620ac40c8c/source.tar.gz?narHash=sha256-qhFMmDkeJX9KJwr5H32f1r7Prs7XbQWtO0h3V0a0rFY%3D' (2025-05-13)
  → '0196f0ab-a5df-7f4a-ab77-08177eaa0159/source.tar.gz?narHash=sha256-W7lqHp0qZiENCDwUZ5EX/lNhxjMdNapFnbErcbnP11Q%3D' (2025-05-20)

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

action.yml

@@ -68,7 +68,7 @@
         "source-tag": {
             "description": "The tag of `nix-installer` to use (conflicts with `source-revision`, `source-branch`, `source-pr`)",
             "required": false,
-            "default": "v3.5.2"
+            "default": "v3.6.0"
         },
         "source-url": {
             "description": "A URL pointing to a `nix-installer` executable",
@@ -101,7 +101,7 @@
         "using": "composite",
         "steps": [
             {
-                "uses": "DeterminateSystems/nix-installer-action@780ad73c034fe05a894ab1de77fa8691ad69228d",
+                "uses": "DeterminateSystems/nix-installer-action@4a562136e63e880cb5a5293b6bd1bd47e739028a",
                 "with": {
                     "extra-conf": "${{ inputs.extra-conf }}",
                     "github-server-url": "${{ inputs.github-server-url }}",