Task: Trigger a build in Travis CI when code changes are push to a GitHub repo

n8n workflow JSON:
{"nodes":[{"name":"Github Trigger","type":"n8n-nodes-base.githubTrigger","position":[450,300],"webhookId":"01518289-14b1-4a45-9d33-39be08f7a544","parameters":{"owner":"n8n-io","events":["push","pull_request"],"repository":"n8n","authentication":"oAuth2"},"credentials":{"githubOAuth2Api":"GitHub Credentials"},"typeVersion":1},{"name":"IF","type":"n8n-nodes-base.if","position":[650,300],"parameters":{"conditions":{"string":[{"value1":"={{$json[\"headers\"][\"x-github-event\"]}}","value2":"push"},{"value1":"={{$json[\"body\"][\"action\"]}}","value2":"opened"}]},"combineOperation":"any"},"typeVersion":1},{"name":"TravisCI","type":"n8n-nodes-base.travisCi","position":[850,200],"parameters":{"slug":"={{$json[\"body\"][\"repository\"][\"full_name\"]}}","branch":"=","operation":"trigger","additionalFields":{}},"credentials":{"travisCiApi":"Travis API"},"typeVersion":1},{"name":"NoOp","type":"n8n-nodes-base.noOp","position":[850,400],"parameters":{},"typeVersion":1}],"connections":{"IF":{"main":[[{"node":"TravisCI","type":"main","index":0}],[{"node":"NoOp","type":"main","index":0}]]},"Github Trigger":{"main":[[{"node":"IF","type":"main","index":0}]]}}}