Update cloudfoundry for 1.48.0 release

Author: apmmachine

cloudfoundry/index.yml

@@ -59,3 +59,4 @@
 1.46.0: https://repo1.maven.org/maven2/co/elastic/apm/elastic-apm-agent/1.46.0/elastic-apm-agent-1.46.0.jar
 1.47.0: https://repo1.maven.org/maven2/co/elastic/apm/elastic-apm-agent/1.47.0/elastic-apm-agent-1.47.0.jar
 1.47.1: https://repo1.maven.org/maven2/co/elastic/apm/elastic-apm-agent/1.47.1/elastic-apm-agent-1.47.1.jar
+1.48.0: https://repo1.maven.org/maven2/co/elastic/apm/elastic-apm-agent/1.48.0/elastic-apm-agent-1.48.0.jar