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

Bumps [go.einride.tech/mage-tools](https://github.com/einride/mage-tools) from 0.12.0 to 0.14.0.
- [Release notes](https://github.com/einride/mage-tools/releases)
- [Commits](einride/sage@v0.12.0...v0.14.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

.mage/go.mod

@@ -4,7 +4,7 @@ go 1.17
 
 require (
 	github.com/magefile/mage v1.12.1
-	go.einride.tech/mage-tools v0.12.0
+	go.einride.tech/mage-tools v0.14.0
 )
 
 require (

.mage/go.sum

@@ -6,5 +6,5 @@ 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 v0.12.0 h1:ZAy2h1rqRpnG5Q4r6Vak7yfAtXPqRe/6bdblUAWPs9o=
-go.einride.tech/mage-tools v0.12.0/go.mod h1:Z6r1+t7AAzM8G59LtsD8nM4anNGDHyo2lioYRXL8Ggs=
+go.einride.tech/mage-tools v0.14.0 h1:vKstj64rj6Xqo99FA7Air9SNS08hKV5/6RhGczrWvq4=
+go.einride.tech/mage-tools v0.14.0/go.mod h1:Z6r1+t7AAzM8G59LtsD8nM4anNGDHyo2lioYRXL8Ggs=