Update dependency go to v1.25.0

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

go.mod

@@ -2,7 +2,7 @@ module github.com/observatorium/api
 
 go 1.23.3
 
-toolchain go1.23.4
+toolchain go1.25.0
 
 require (
 	github.com/brancz/kube-rbac-proxy v0.16.1