fix: fix unbuffered channel blocking goroutine (#358)

Signed-off-by: James Milligan <james@omnant.co.uk>

<!-- Please use this template for your pull request. -->
<!-- Please use the sections that you need and delete other sections -->

## This PR
<!-- add the description of the PR here -->

- buffers channel on startup to prevent blocking in linked issue

### Related Issues
<!-- add here the GitHub issue that this PR resolves if applicable -->

#356

### Notes
<!-- any additional notes for this PR -->

### Follow-up Tasks
<!-- anything that is related to this PR but not done here should be
noted under this section -->
<!-- if there is a need for a new issue, please link it here -->

### How to test
<!-- if applicable, add testing instructions under this section -->

Signed-off-by: James Milligan <james@omnant.co.uk>

pkg/runtime/runtime.go

@@ -55,7 +55,7 @@ func (r *Runtime) Start() error {
 	defer cancel()
 
 	g, gCtx := errgroup.WithContext(ctx)
-	dataSync := make(chan sync.DataSync)
+	dataSync := make(chan sync.DataSync, len(r.SyncImpl))
 
 	// Initialize DataSync channel watcher
 	g.Go(func() error {