CI: Migrate to JCasC managed files

Signed-off-by: Kevin Sandi <ksandi@contractor.linuxfoundation.org>
Change-Id: I1880c3d8a66edaf23083d0734d3914af02b8837b
Signed-off-by: Vanessa Rene Valderrama <vvalderrama@linuxfoundation.org>
diff --git a/jenkins-config/managed-config-files/custom/packagecloud_api/content b/jenkins-config/managed-config-files/custom/packagecloud_api/content
new file mode 100644
index 0000000..7dc2c39
--- /dev/null
+++ b/jenkins-config/managed-config-files/custom/packagecloud_api/content
@@ -0,0 +1,3 @@
+machine packagecloud.io
+login $PACKAGECLOUD_API
+password
\ No newline at end of file