fix(go.sum): update ResolveSpec dependency to v1.0.87

vendor/github.com/microsoft/go-mssqldb/msdsn/conn_str_go112pre.go

@@ -0,0 +1,20 @@
+//go:build !go1.12
+// +build !go1.12
+
+package msdsn
+
+import "crypto/tls"
+
+func TLSVersionFromString(minTLSVersion string) uint16 {
+	switch minTLSVersion {
+	case "1.0":
+		return tls.VersionTLS10
+	case "1.1":
+		return tls.VersionTLS11
+	case "1.2":
+		return tls.VersionTLS12
+	default:
+		// use the tls package default
+	}
+	return 0
+}