VOL-4925 - Build and release components.

Misc
----
  o Bulk update copyright notice to 2023.

Makefile
makefiles/*
-----------
  o Replace rm -rf with make builtin $(RM) -r
  o Move help target into makefiles/help.

go.mod
go.sum
------
  o Update opencord dependencies to the latest released versions.

Change-Id: I56eba94ddf878b318277b9e46a98053fae36ffcf
diff --git a/vendor/go.opentelemetry.io/otel/go.mod b/vendor/go.opentelemetry.io/otel/go.mod
new file mode 100644
index 0000000..95f9aa4
--- /dev/null
+++ b/vendor/go.opentelemetry.io/otel/go.mod
@@ -0,0 +1,8 @@
+module go.opentelemetry.io/otel
+
+go 1.14
+
+require (
+	github.com/google/go-cmp v0.5.2
+	github.com/stretchr/testify v1.6.1
+)