Add 0.85-stable to Release pipeline branch allowlist (#16318)

Enables the Release pipeline to trigger for RELEASE: commits on 0.85-stable so preview builds publish. Adds the branch to the resources.pipelines trigger allowlist in both release.yml and release-pipeline.yml.

Co-authored-by: Anukrati Agrawal <anuagra@microsoft.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: 3 people

.ado/release-pipeline.yml

@@ -39,6 +39,7 @@ resources:
         - '0.82-stable'
         - '0.83-stable'
         - '0.84-stable'
+        - '0.85-stable'
   repositories:
   - repository: 1ESPipelineTemplates
     type: git

.ado/release.yml

@@ -34,6 +34,7 @@ resources:
         - '0.82-stable'
         - '0.83-stable'
         - '0.84-stable'
+        - '0.85-stable'
   repositories:
   - repository: 1ESPipelineTemplates
     type: git