fix review comments

Author: anithapriyanatarajan

tekton/release-pipeline.yaml

@@ -299,8 +299,8 @@ spec:
                 value: $(params.repoName)
             script: |
               # Oracle Cloud Storage: Construct public URL
-              # Format: https://infra.tekton.dev/tekton-nightly/<repoName>/previous/<versionTag>
-              BASE_URL="https://infra.tekton.dev/tekton-nightly/${REPO_NAME}/previous/${VERSION_TAG}"
+              # Format: https://infra.tekton.dev/<releaseBucket>/<repoName>/previous/<versionTag>
+              BASE_URL="https://infra.tekton.dev/${RELEASE_BUCKET}/${REPO_NAME}/previous/${VERSION_TAG}"
 
               echo "${BASE_URL}/release.yaml" > $(results.release.path)
               echo "${BASE_URL}/release.notag.yaml" > $(results.release-no-tag.path)