Use db.Find instead of writing methods for every object (#28084)

For those simple objects, it's unnecessary to write the find and count
methods again and again.

routers/api/actions/artifacts_chunks.go

@@ -13,6 +13,7 @@ import (
 	"time"
 
 	"code.gitea.io/gitea/models/actions"
+	"code.gitea.io/gitea/models/db"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/storage"
 )
@@ -86,7 +87,10 @@ func listChunksByRunID(st storage.ObjectStorage, runID int64) (map[int64][]*chun
 
 func mergeChunksForRun(ctx *ArtifactContext, st storage.ObjectStorage, runID int64, artifactName string) error {
 	// read all db artifacts by name
-	artifacts, err := actions.ListArtifactsByRunIDAndName(ctx, runID, artifactName)
+	artifacts, err := db.Find[actions.ActionArtifact](ctx, actions.FindArtifactsOptions{
+		RunID:        runID,
+		ArtifactName: artifactName,
+	})
 	if err != nil {
 		return err
 	}