feat(config): add pool_domain and upgrade dependencies

- Add configurable pool_domain with pool.ntp.org default
- Update Go from 1.23.5 to 1.24.0
- Update golang.org/x/* dependencies
- Add enumer and accessory as tool dependencies
- Update goreleaser to v2.12.3

.mcp.json

@@ -0,0 +1,28 @@
+{
+  "mcpServers": {
+    "context7": {
+      "type": "stdio",
+      "command": "npx",
+      "args": [
+        "-y",
+        "@upstash/context7-mcp@1.0.0"
+      ],
+      "env": {}
+    },
+    "serena": {
+      "type": "stdio",
+      "command": "uvx",
+      "args": [
+        "--from",
+        "git+https://github.com/oraios/serena@v0.1.4",
+        "serena",
+        "start-mcp-server",
+        "--context",
+        "ide-assistant",
+        "--project",
+        "."
+      ],
+      "env": {}
+    }
+  }
+}