chore(deps): bump go.einride.tech/mage-tools in /.mage

Bumps [go.einride.tech/mage-tools](https://github.com/einride/mage-tools) from 0.19.0 to 0.20.0.
- [Release notes](https://github.com/einride/mage-tools/releases)
- [Commits](einride/sage@v0.19.0...v0.20.0)

---
updated-dependencies:
- dependency-name: go.einride.tech/mage-tools
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.mage/go.mod

@@ -4,7 +4,7 @@ go 1.17
 
 require (
 	github.com/magefile/mage v1.12.1
-	go.einride.tech/mage-tools v0.19.0
+	go.einride.tech/mage-tools v0.20.0
 )
 
 require (

.mage/go.sum

@@ -6,8 +6,8 @@ github.com/iancoleman/strcase v0.2.0 h1:05I4QRnGpI0m37iZQRuskXh+w77mr6Z41lwQzuHL
 github.com/iancoleman/strcase v0.2.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
 github.com/magefile/mage v1.12.1 h1:oGdAbhIUd6iKamKlDGVtU6XGdy5SgNuCWn7gCTgHDtU=
 github.com/magefile/mage v1.12.1/go.mod h1:z5UZb/iS3GoOSn0JgWuiw7dxlurVYTu+/jHXqQg881A=
-go.einride.tech/mage-tools v0.19.0 h1:S+TDqCO9gItFOYpJ+ioNo18cbLOJDwsjyUUWK6DVphE=
-go.einride.tech/mage-tools v0.19.0/go.mod h1:pFpCBZ0U7a6862mks4y6v5xBkT4IhdrcJdEeTEjweMI=
+go.einride.tech/mage-tools v0.20.0 h1:KBFsi2zxsHe+fF/syg68vRZA6JcoKgpk0LkRijuM7kU=
+go.einride.tech/mage-tools v0.20.0/go.mod h1:pFpCBZ0U7a6862mks4y6v5xBkT4IhdrcJdEeTEjweMI=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=