grafana-to-ntfy: 2026.3.15 -> 2026.4.29

Security advisory updates only — no code changes since 2026.3.15:

- rustls-webpki: 0.103.10 -> 0.103.13 (GHSA-82j2-j2ch-gfr8: DoS via
  panic on malformed CRL BIT STRING; also fixes name constraint bugs)
- rand: 0.8.5 -> 0.8.6 / 0.9.2 -> 0.9.4 (RUSTSEC-2026-0097)

NixOS test still passes; cargo audit reports 0 vulnerabilities.

pkgs/by-name/gr/grafana-to-ntfy/package.nix

@@ -8,16 +8,16 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "grafana-to-ntfy";
-  version = "2026.3.15";
+  version = "2026.4.29";
 
   src = fetchFromGitHub {
     owner = "kittyandrew";
     repo = "grafana-to-ntfy";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-jK/UTgazDlVaIAD0AM61i0dAVX41LCPJFGf1tfMhNk0=";
+    hash = "sha256-ac0T8SNCDH9kQTKIfYn9KinnrSCYIBpNByO6NQ8UntA=";
   };
 
-  cargoHash = "sha256-/e9dDcoablMSLb8q0DPUqNExPny13fm/xBhUT46hkXQ=";
+  cargoHash = "sha256-RuWXlofcruR69sg+RO2v1DBgxaPEyu8TeZEiZP7rBV8=";
 
   # No unit tests; all testing is NixOS VM-based integration tests
   doCheck = false;