Merge pull request #1250 from elastic/update/fetch-github-token-v1.5.3

Author: chrisnavar

.github/workflows/release_central.yml

@@ -78,7 +78,7 @@ jobs:
 
       - name: Fetch ephemeral GitHub token
         id: fetch-ephemeral-token
-        uses: elastic/ci-gh-actions/fetch-github-token@v1.0.0
+        uses: elastic/ci-gh-actions/fetch-github-token@v1.5.3
         with:
           vault-instance: "ci-prod"