Update xpkg.upbound.io/upbound/function-msgraph Docker tag to v0.4.0 (#58)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

example/functions.yaml

@@ -7,7 +7,7 @@ metadata:
     # This tells crossplane beta render to connect to the function locally.
     render.crossplane.io/runtime: Development
 spec:
-  package: xpkg.upbound.io/upbound/function-msgraph:v0.3.0
+  package: xpkg.upbound.io/upbound/function-msgraph:v0.4.0
 ---
 apiVersion: pkg.crossplane.io/v1beta1
 kind: Function