chore: mark parallel/test-shadow-realm-* as ignored (#34155)

## Summary

Per maintainer feedback (#34155 review), the TC39 ShadowRealm proposal
is still at Stage 2.7 with limited recent progress, so exposing it
globally is premature.

This PR instead skips the eight failing `parallel/test-shadow-realm-*`
node compat tests with an `ignore` reason in `config.jsonc` so they no
longer count against the suite.

Closes denoland/orchid#118

## Test plan

- [x] `./tools/format.js` and `./tools/lint.js` pass.
- [x] The eight `parallel/test-shadow-realm-*` tests no longer run in
CI.

---------

Co-authored-by: divybot <divybot@users.noreply.github.com>
Co-authored-by: Divy Srivastava <me@littledivy.com>

Author: divybot

tests/node_compat/config.jsonc

@@ -3093,6 +3093,38 @@
     "parallel/test-set-incoming-message-header.js": {},
     "parallel/test-set-process-debug-port.js": {},
     "parallel/test-setproctitle.js": {},
+    "parallel/test-shadow-realm-allowed-builtin-modules.js": {
+      "ignore": true,
+      "reason": "Deno does not expose `ShadowRealm` globally; the spec is still TC39 Stage 2.7"
+    },
+    "parallel/test-shadow-realm-gc-module.js": {
+      "ignore": true,
+      "reason": "Deno does not expose `ShadowRealm` globally; the spec is still TC39 Stage 2.7"
+    },
+    "parallel/test-shadow-realm-gc.js": {
+      "ignore": true,
+      "reason": "Deno does not expose `ShadowRealm` globally; the spec is still TC39 Stage 2.7"
+    },
+    "parallel/test-shadow-realm-globals.js": {
+      "ignore": true,
+      "reason": "Deno does not expose `ShadowRealm` globally; the spec is still TC39 Stage 2.7"
+    },
+    "parallel/test-shadow-realm-import-value-resolve.js": {
+      "ignore": true,
+      "reason": "Deno does not expose `ShadowRealm` globally; the spec is still TC39 Stage 2.7"
+    },
+    "parallel/test-shadow-realm-module.js": {
+      "ignore": true,
+      "reason": "Deno does not expose `ShadowRealm` globally; the spec is still TC39 Stage 2.7"
+    },
+    "parallel/test-shadow-realm-prepare-stack-trace.js": {
+      "ignore": true,
+      "reason": "Deno does not expose `ShadowRealm` globally; the spec is still TC39 Stage 2.7"
+    },
+    "parallel/test-shadow-realm.js": {
+      "ignore": true,
+      "reason": "Deno does not expose `ShadowRealm` globally; the spec is still TC39 Stage 2.7"
+    },
     "parallel/test-sigint-infinite-loop.js": {},
     "parallel/test-signal-handler-remove-on-exit.js": {},
     "parallel/test-signal-handler.js": {},