update lsmintervalprocessor to remove deprecated NewTransformContext

Author: simitt

processor/lsmintervalprocessor/factory.go

@@ -57,7 +57,7 @@ func createMetricsProcessor(
 		ivlDef := intervalDef{Duration: ivl.Duration}
 		if len(ivl.Statements) > 0 {
 			parser, err := ottldatapoint.NewParser(
-				ottlfuncs.StandardFuncs[ottldatapoint.TransformContext](),
+				ottlfuncs.StandardFuncs[*ottldatapoint.TransformContext](),
 				set.TelemetrySettings,
 			)
 			if err != nil {
@@ -88,5 +88,5 @@ func createMetricsProcessor(
 
 type intervalDef struct {
 	Duration   time.Duration
-	Statements *ottl.StatementSequence[ottldatapoint.TransformContext]
+	Statements *ottl.StatementSequence[*ottldatapoint.TransformContext]
 }

processor/lsmintervalprocessor/processor.go

@@ -543,7 +543,8 @@ func (p *Processor) exportForInterval(
 					for k := 0; k < metrics.Len(); k++ {
 						metric := metrics.At(k)
 						executeTransform := func(dp any) {
-							dCtx := ottldatapoint.NewTransformContext(dp, metric, metrics, scope.Scope(), res.Resource(), scope, res)
+							dCtx := ottldatapoint.NewTransformContextPtr(res, scope, metric, dp)
+							defer dCtx.Close()
 							if err := ivl.Statements.Execute(ctx, dCtx); err != nil {
 								errs = append(errs, fmt.Errorf("failed to execute ottl statement for interval %s: %w", ivl.Duration, err))
 							}