chore(deps): update commitlint/commitlint docker tag to v19.8.0 (#64)

| datasource | package               | from   | to     |
| ---------- | --------------------- | ------ | ------ |
| docker     | commitlint/commitlint | 19.6.1 | 19.8.0 |

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

commitlint/dagger/main.go

@@ -15,7 +15,7 @@ func New(
 	// Commitlint image to use.
 	// +optional
 	// renovate image: datasource=docker depName=commitlint/commitlint versioning=docker
-	// +default="commitlint/commitlint:19.6.1"
+	// +default="commitlint/commitlint:19.8.0"
 	Image string,
 ) *Commitlint {
 	return &Commitlint{