Configure Renovate (#7)

* Add renovate.json

* Update renovate.json

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Luca Comellini <luca.com@gmail.com>

Author: renovate[bot]

renovate.json

@@ -0,0 +1,7 @@
+{
+	"$schema": "https://docs.renovatebot.com/renovate-schema.json",
+	"extends": [
+		"github>opentracing-contrib/common",
+		"schedule:daily"
+	]
+}