fix: Update dependency go to v1.25.5

renovate[bot] · renovate[bot] · commit f9d125d1821e · 2025-12-02T18:04:20.000Z
diff --git a/go.mod b/go.mod
@@ -2,7 +2,7 @@ module ghcr-exporter
 
 go 1.25
 
-toolchain go1.25.4
+toolchain go1.25.5
 
 require (
 	github.com/d0ugal/promexporter v1.14.2
