chore: bump @grafana/create-plugin configuration to 5.26.4 (#2082)

Bumps
[`@grafana/create-plugin`](https://github.com/grafana/plugin-tools/tree/main/packages/create-plugin)
configuration from 4.2.1 to 5.26.4.

**Notes for reviewer:**
This is an auto-generated PR which ran `@grafana/create-plugin update`.
Please consult the create-plugin
[CHANGELOG.md](https://github.com/grafana/plugin-tools/blob/main/packages/create-plugin/CHANGELOG.md)
to understand what may have changed.
Please review the changes thoroughly before merging.

---------

Co-authored-by: grafana-plugins-platform-bot[bot] <144369747+grafana-plugins-platform-bot[bot]@users.noreply.github.com>
Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>

pkg/timeseries/timeseries.go

@@ -46,7 +46,7 @@ func (ts TimeSeries) GroupBy(interval time.Duration, aggFunc AggFunc) TimeSeries
 		pointFrameTs = point.GetTimeFrame(interval)
 
 		// Iterate over points and push it into the frame if point time stamp fit the frame
-		if pointFrameTs == frameTS {
+		if pointFrameTs.Equal(frameTS) {
 			frame = append(frame, point)
 		} else if pointFrameTs.After(frameTS) {
 			// If point outside frame, then we've done with current frame
@@ -137,9 +137,10 @@ func Filter(series []*TimeSeriesData, n int, order string, aggFunc AggFunc) []*T
 	maxN := int(math.Min(float64(n), float64(len(series))))
 	filteredSeries := make([]*TimeSeriesData, maxN)
 	for i := 0; i < maxN; i++ {
-		if order == "top" {
+		switch order {
+		case "top":
 			filteredSeries[i] = series[len(series)-1-i]
-		} else if order == "bottom" {
+		case "bottom":
 			filteredSeries[i] = series[i]
 		}
 	}