Change branch for the telegraf build job

Change-Id: I8276d8c012c6db44fd439fbea61d348616a5ec9a
diff --git a/.releasenotes/notes/raise-telegraf-version-a3e797a577b7e555.yaml b/.releasenotes/notes/raise-telegraf-version-a3e797a577b7e555.yaml
new file mode 100644
index 0000000..d86ce11
--- /dev/null
+++ b/.releasenotes/notes/raise-telegraf-version-a3e797a577b7e555.yaml
@@ -0,0 +1,9 @@
+---
+summary: >
+  Bumped the telegraf version to 1.5
+
+upgrades:
+  - |
+    Changed the branch for the telegraf build deb package job from release-1.2
+    to release-1.5. New branch contains the upstream release-1.5 branch and all
+    downstream changes and modifications.