Update dependency golang to v1.25.6

renovate[bot] · web-flow · commit c83b53eeda8c · 2026-01-20T10:48:22.000Z
diff --git a/.tool-versions b/.tool-versions
@@ -1,2 +1,2 @@
-golang 1.25.1
+golang 1.25.6
 golangci-lint 2.5.0
