Use @peculiar/x509 for certificate chain validation

deno.json

@@ -60,6 +60,7 @@
     "@rollup/plugin-terser": "npm:@rollup/plugin-terser@^0.4.4",
     "@std/assert": "jsr:@std/assert@^1.0.7",
     "@std/path": "jsr:@std/path@^1.0.8",
+    "@std/semver": "jsr:@std/semver@^1.0.5",
     "@std/testing": "jsr:@std/testing@^1.0.4",
     "jsdom": "npm:jsdom@^25.0.1",
     "rollup": "npm:rollup@^4.27.3",

packages/server/deno.json

@@ -12,7 +12,7 @@
         "test"
       ]
     },
-    "test": "deno test -A src/",
+    "test": "deno test -A src/ --trace-leaks",
     "test:watch": "deno test -A --watch src/",
     "docs:serve": {
       "command": "deno run -A jsr:@std/http/file-server --host 127.0.0.1 docs/",
@@ -36,6 +36,7 @@
     "lineWidth": 100
   },
   "imports": {
+    "@peculiar/x509": "npm:@peculiar/x509@^1.13.0",
     "tiny-cbor": "npm:@levischuck/tiny-cbor@^0.2.2",
     "@hexagon/base64": "npm:@hexagon/base64@^1.1.27",
     "@levischuck/tiny-cbor": "npm:@levischuck/tiny-cbor@^0.2.2",