chore(deps): bump @datadog/openfeature-node-server (#6854)

Bumps [@datadog/openfeature-node-server](https://github.com/DataDog/openfeature-js-client/tree/HEAD/packages/node-server) from 0.1.0-preview.13 to 0.1.0-preview.15.
- [Commits](https://github.com/DataDog/openfeature-js-client/commits/HEAD/packages/node-server)

---
updated-dependencies:
- dependency-name: "@datadog/openfeature-node-server"
  dependency-version: 0.1.0-preview.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -125,7 +125,7 @@
     "@datadog/native-appsec": "10.3.0",
     "@datadog/native-iast-taint-tracking": "4.0.0",
     "@datadog/native-metrics": "3.1.1",
-    "@datadog/openfeature-node-server": "0.1.0-preview.13",
+    "@datadog/openfeature-node-server": "0.1.0-preview.15",
     "@datadog/pprof": "5.12.0",
     "@datadog/sketches-js": "2.1.1",
     "@datadog/wasm-js-rewriter": "4.0.1",

yarn.lock

@@ -204,10 +204,10 @@
     "@babel/helper-string-parser" "^7.27.1"
     "@babel/helper-validator-identifier" "^7.27.1"
 
-"@datadog/flagging-core@0.1.0-preview.13":
-  version "0.1.0-preview.13"
-  resolved "https://registry.yarnpkg.com/@datadog/flagging-core/-/flagging-core-0.1.0-preview.13.tgz#73fc80aeb21435fa2307f79f2d315b857616cd5d"
-  integrity sha512-DfQYeBgGvCerKx6coRiXMt0aXWJB8kRIsJhfdTKyejS9rfp6ZBjWc6dctKzhwMAQdpBiN42MEVXNt4Pdcmj1WA==
+"@datadog/flagging-core@0.1.0-preview.15":
+  version "0.1.0-preview.15"
+  resolved "https://registry.yarnpkg.com/@datadog/flagging-core/-/flagging-core-0.1.0-preview.15.tgz#bd8c21a7a7e96428c584d5b6f103b8011fa4f847"
+  integrity sha512-p6YhX7lHOlD3IhyBerL2OM7EEmOLA0MmjgIvEUX61cbRiK983m51rF8b8zXyiCCp/tdfBSmmsujtPwjMwXGiug==
   dependencies:
     spark-md5 "^3.0.2"
 
@@ -238,12 +238,12 @@
     node-addon-api "^6.1.0"
     node-gyp-build "^3.9.0"
 
-"@datadog/openfeature-node-server@0.1.0-preview.13":
-  version "0.1.0-preview.13"
-  resolved "https://registry.yarnpkg.com/@datadog/openfeature-node-server/-/openfeature-node-server-0.1.0-preview.13.tgz#355dacbbe927d29c903fb3c17d14dec7af34ba55"
-  integrity sha512-W7+Aff5Ex7EbNnH2P22zycSzIMIJ4+3DgSrSwxSguw9lvaj7rbnKmRv0G9q2kffbVymrUWEFkBEhqB+gRy9FLg==
+"@datadog/openfeature-node-server@0.1.0-preview.15":
+  version "0.1.0-preview.15"
+  resolved "https://registry.yarnpkg.com/@datadog/openfeature-node-server/-/openfeature-node-server-0.1.0-preview.15.tgz#f9ec9f9614aefd9c03e83c62ea57c6163843a053"
+  integrity sha512-SXWseSmtEg+mKB2WzCzT5f/m61GEmFNBLchBaPO5w6dECk4jz4g6BXmfLTVdFZXi26/M644niZWHpv9cJVhoqg==
   dependencies:
-    "@datadog/flagging-core" "0.1.0-preview.13"
+    "@datadog/flagging-core" "0.1.0-preview.15"
     "@openfeature/server-sdk" "~1.18.0"
 
 "@datadog/pprof@5.12.0":