build(deps): bump github.com/ldez/exptostd from 0.3.0 to 0.3.1 (#5283)

Co-authored-by: Fernandez Ludovic <ldez@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -65,7 +65,7 @@ require (
 	github.com/kunwardeep/paralleltest v1.0.10
 	github.com/kyoh86/exportloopref v0.1.11
 	github.com/lasiar/canonicalheader v1.1.2
-	github.com/ldez/exptostd v0.3.0
+	github.com/ldez/exptostd v0.3.1
 	github.com/ldez/gomoddirectives v0.6.0
 	github.com/ldez/grignotin v0.7.0
 	github.com/ldez/tagliatelle v0.7.1