Update dependency go to v1.26.0

Author: renovate[bot]

go.mod

@@ -2,7 +2,7 @@ module github.com/RoboCup-SSL/ssl-match-stats
 
 go 1.24.0
 
-toolchain go1.25.6
+toolchain go1.26.0
 
 require (
 	github.com/RoboCup-SSL/ssl-go-tools v1.9.3