Demote spammy INFO logs (querying github, storing X prs, refresh loop)

There are a lot of excessive log rows. It should be easy enough to
detect when elly is buggy, and when that happens: stop the running
instance, and run it in the foreground with `-verbose` to see what's up.

internal/github/github.go

@@ -159,7 +159,7 @@ func graphqlRequest(query, token string, logger *slog.Logger) ([]byte, error) {
 		return nil, fmt.Errorf("could not construct github request: %w", err)
 	}
 
-	logger.Info("querying github api")
+	logger.Debug("querying github api")
 	response, err := httpClient.Do(request)
 	if err != nil {
 		return nil, fmt.Errorf("could not request github: %w", err)

internal/storage/storage.go

@@ -112,7 +112,7 @@ func (s *DbStorage) Prs() StoredState {
 }
 
 func (s *DbStorage) StoreRepoPrs(orderedPrs []types.ViewPr) error {
-	s.logger.Info("storing prs", slog.Int("prs", len(orderedPrs)))
+	s.logger.Debug("storing prs", slog.Int("prs", len(orderedPrs)))
 
 	buriedPrs, err := s.db.BuriedPrs(context.Background())
 	if err != nil {

main.go

@@ -81,7 +81,7 @@ func startRefreshLoop(token, username string, store storage.Storage, refresh cha
 	for {
 		select {
 		case action := <-refresh:
-			logger.Info("refresh loop", "action", action)
+			logger.Debug("refresh loop", "action", action)
 			switch action {
 			case types.RefreshStop:
 				refreshTimer.Stop()