fix: set explicitly useTLS=false for http endpoints

[barmac]

• Verified to work with oAuth + http
• Verified to work with C8 SaaS
• Verified to work with no auth + http

Closes #3152

[barmac]

Artifacts will be available at:

• https://camunda-modeler-on-demand.s3.eu-central-1.amazonaws.com/3152-make-it-possible-to-deploy-to-unsecured-local-cluster-with-oauth/camunda-modeler-3152-make-it-possible-to-deploy-to-unsecured-local-cluster-with-oauth-linux-x64.tar.gz
• https://camunda-modeler-on-demand.s3.eu-central-1.amazonaws.com/3152-make-it-possible-to-deploy-to-unsecured-local-cluster-with-oauth/camunda-modeler-3152-make-it-possible-to-deploy-to-unsecured-local-cluster-with-oauth-mac.dmg
• https://camunda-modeler-on-demand.s3.eu-central-1.amazonaws.com/3152-make-it-possible-to-deploy-to-unsecured-local-cluster-with-oauth/camunda-modeler-3152-make-it-possible-to-deploy-to-unsecured-local-cluster-with-oauth-mac.zip
• https://camunda-modeler-on-demand.s3.eu-central-1.amazonaws.com/3152-make-it-possible-to-deploy-to-unsecured-local-cluster-with-oauth/camunda-modeler-3152-make-it-possible-to-deploy-to-unsecured-local-cluster-with-oauth-win-ia32.zip
• https://camunda-modeler-on-demand.s3.eu-central-1.amazonaws.com/3152-make-it-possible-to-deploy-to-unsecured-local-cluster-with-oauth/camunda-modeler-3152-make-it-possible-to-deploy-to-unsecured-local-cluster-with-oauth-win-x64.zip

[barmac]

@rob2universe If you want to give it a try before it lands on nightly, feel free to use the links above (should be ready in ~20 minutes).