workflows/release-documentation: Allow secrets pass through from calling workflow (#162765)

This should fix the part of the workflow that creates a PR with the new
documentation.

Author: tstellar

.github/workflows/release-documentation.yml

@@ -25,6 +25,10 @@ on:
         description: 'Upload documentation'
         required: false
         type: boolean
+    secrets:
+      WWW_RELEASES_TOKEN:
+        description: "Secret used to create a PR with the documentation changes."
+        required: false
 
 jobs:
   release-documentation:

.github/workflows/release-tasks.yml

@@ -54,6 +54,9 @@ jobs:
     with:
       release-version: ${{ needs.validate-tag.outputs.release-version }}
       upload: true
+    # Called workflows don't have access to secrets by default, so we need to explicitly pass secrets that we use.
+    secrets:
+      WWW_RELEASES_TOKEN: ${{ secrets.WWW_RELEASES_TOKEN }}
 
   release-doxygen:
     name: Build and Upload Release Doxygen