Update 8-labs-publish-custom-image-to-marketplace.md (#239)

Migrated tenancy for these objects hence the link has changed. Updating the link

sample-livelabs-templates/create-labs/labs/8-labs-publish-custom-image-to-marketplace/8-labs-publish-custom-image-to-marketplace.md

@@ -43,7 +43,7 @@ For custom images received from authors via imports from Object Storage pre-auth
 
 6. Download the sample ORM stack zip archive
 
-    - [ll-orm-mkplc-freetier.zip](https://objectstorage.us-ashburn-1.oraclecloud.com/p/Ma3anAntwyF54E289zRxemySTIA2RZcOcq1jPZ_ZRiV3lhedYJSw3qCRnnU9K__M/n/natdsecurity/b/stack/o/ll-orm-mkplc-freetier.zip)
+    - [ll-orm-mkplc-freetier.zip](https://objectstorage.us-ashburn-1.oraclecloud.com/p/D0dAdNNBbmxXM8UJyt13DU8nzLEXBXOCdf-BgrMFquLMsIVJtnSDAJVBpvGM_2Jb/n/c4u02/b/hosted_workshops/o/stacks/ll-orm-mkplc-freetier.zip)
 
 7. Unzip it locally on your computer to *ll-orm-mkplc-freetier*.
 8. Delete the downloaded file *ll-orm-mkplc-freetier.zip*.
@@ -117,7 +117,7 @@ For custom images received from authors via imports from Object Storage pre-auth
     <copy>
     cd /tmp
     rm -rf ll-setup
-    wget https://objectstorage.us-ashburn-1.oraclecloud.com/p/Nx05fQvoLmaWOPXEMT_atsi0G7Y2lHAlI7W0k5fEijsa-36DcucQwPUn6xR2OIH8/n/natdsecurity/b/misc/o/setup-novnc-livelabs.zip -O setup-novnc-livelabs.zip
+    wget https://objectstorage.us-ashburn-1.oraclecloud.com/p/GOsnDGZTmd1hZsH5TdsrT8ePf8_099TbUyly6WZ8WZawpLagHMBpAOpXao4KTEPc/n/c4u02/b/hosted_workshops/o/stacks/setup-novnc-livelabs.zip -O setup-novnc-livelabs.zip
     unzip -o  setup-novnc-livelabs.zip -d ll-setup
     cd ll-setup/
     chmod +x *.sh .*.sh