chore: tagRelease.sh: bump to 1.3.6 in release-1.4 branch

Signed-off-by: rhdh-bot service account <[email protected]>

Author: rhdh-bot

artifacts/attributes.adoc

@@ -10,10 +10,10 @@
 :product: Red Hat Developer Hub
 :product-short: Developer Hub
 :product-very-short: RHDH
-:product-version: 1.4
+:product-version: 1.3
 :product-version-next: 1.5.0
-:product-bundle-version: 1.4.1
-:product-chart-version: 1.4.1
+:product-bundle-version: 1.3.6
+:product-chart-version: 1.3.6
 :product-backstage-version: 1.32.6
 :product-custom-resource-type: Backstage
 :rhdeveloper-name: Red Hat Developer