chore(nix): bump nixpkgs from nixos-25.11 to nixos-26.05 (#87)

Bumps [nixpkgs](https://github.com/NixOS/nixpkgs) from nixos-25.11 to
nixos-26.05.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/705e9929918b43bd7b715dc0a878ac870449bb03"><code>705e992</code></a>
26.05 beta release</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/e6d53f7285670deed92664195e695e9a1f212331"><code>e6d53f7</code></a>
pihole-ftl: 6.6.1 -&gt; 6.6.2 (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/523335">#523335</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/987b916f1cebeac77bf12619629be6925f2a9b52"><code>987b916</code></a>
otfcc: fix build (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/523361">#523361</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/a0fc42282c90f5e11a4f4157936a9e9dea33a5fb"><code>a0fc422</code></a>
python31{3,4}Packages.ecdsa: fix build failure (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/523363">#523363</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/14f0a59371cb39d9c78fbe457dffe94ca0044ef4"><code>14f0a59</code></a>
python3Packages.salmon-mail: fix test_main exit code on click 8.2+ (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/523372">#523372</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/aa91ecf353f5c9ee73b935239245aee1223a6e0f"><code>aa91ecf</code></a>
doc/release-notes: move enteries to correct release (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/523459">#523459</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/e3978011001e9551b56485d782807bc3cf654a49"><code>e397801</code></a>
treewide: replace lib.trivial.release with hardcode version (hack) (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/517985">#517985</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/b3bb8a97d97c5da8c24c5dab90c1c74e6f26aa46"><code>b3bb8a9</code></a>
python3Packages.solidpython2: skip example 18 with missing reference
fixture ...</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/b1a57b92eeb6fb75a5d64cf5bc690891b52cc40a"><code>b1a57b9</code></a>
home-assistant-custom-components.waste_collection_schedule: 2.24.0 -&gt;
2.25.0 ...</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/56a234d888f76e1ec0217011826594d9beb2f7f9"><code>56a234d</code></a>
teams-for-linux: 2.9.0 -&gt; 2.10.0 (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/523399">#523399</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/NixOS/nixpkgs/compare/687f05a9184cad4eaf905c48b63649e3a86f5433...705e9929918b43bd7b715dc0a878ac870449bb03">compare
view</a></li>
</ul>
</details>
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flake.lock

@@ -9,7 +9,7 @@
   description = "RGTV - one-use credential broker for LLM agents (alpha)";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-26.05";
     rust-overlay.url = "github:oxalica/rust-overlay";
     flake-utils.url = "github:numtide/flake-utils";
     naersk.url = "github:nix-community/naersk";