build: upgrade to go 1.17 and dependencies

vendor/periph.io/x/periph/conn/physic/units.go

@@ -1608,6 +1608,68 @@ const (
 	minLuminousFlux = -9223372036854775807 * NanoLumen
 )
 
+// MagneticFluxDensity is a measurement of magnetic flux density, stored in Tesla.
+//
+// The highest representable value is 9.2GT.
+type MagneticFluxDensity int64
+
+// String returns the energy formatted as a string in Farad.
+func (c MagneticFluxDensity) String() string {
+	return nanoAsString(int64(c)) + "T"
+}
+
+// Set sets the MagneticFluxDensity to the value represented by s. Units are
+// to be provided in "T" with an optional SI prefix: "p", "n", "u", "µ", "m",
+// "k", "M", "G" or "T".
+func (c *MagneticFluxDensity) Set(s string) error {
+	v, n, err := valueOfUnitString(s, pico)
+	if err != nil {
+		if e, ok := err.(*parseError); ok {
+			switch e.error {
+			case errNotANumber:
+				if found := hasSuffixes(s, "T", "t"); found != "" {
+					return err
+				}
+				return notNumberUnitErr("T")
+			case errOverflowsInt64:
+				return maxValueErr(maxMagneticFluxDensity.String())
+			case errOverflowsInt64Negative:
+				return minValueErr(minMagneticFluxDensity.String())
+			}
+		}
+		return err
+	}
+
+	switch s[n:] {
+	case "T", "t":
+		*c = (MagneticFluxDensity)(v)
+	case "":
+		return noUnitErr("T")
+	default:
+		if found := hasSuffixes(s[n:], "T", "t"); found != "" {
+			return unknownUnitPrefixErr(found, "p,n,u,µ,m,k,M,G or T")
+		}
+		return incorrectUnitErr("T")
+	}
+
+	return nil
+}
+
+// Well known MagneticFluxDensity constants.
+const (
+	// Tesla is a unit of magnetic flux density.
+	NanoTesla  MagneticFluxDensity = 1
+	MicroTesla MagneticFluxDensity = 1000 * NanoTesla
+	MilliTesla MagneticFluxDensity = 1000 * MicroTesla
+	Tesla      MagneticFluxDensity = 1000 * MilliTesla
+	KiloTesla  MagneticFluxDensity = 1000 * Tesla
+	MegaTesla  MagneticFluxDensity = 1000 * KiloTesla
+	GigaTesla  MagneticFluxDensity = 1000 * MegaTesla
+
+	maxMagneticFluxDensity = 9223372036854775807 * NanoTesla
+	minMagneticFluxDensity = -9223372036854775807 * NanoTesla
+)
+
 //
 
 func prefixZeros(digits, v int) string {