Align OCR structs sizes (#1075)

## Motivation

The observation/outcome/report sizes defined for LM are pretty small
(`10K` bytes) and are not sufficient to hold multiple bridgeData (`~5k`
bytes each).

## Solution

Increase OCR structs limits to `1M` (was `10K`) bytes

.changeset/twelve-hounds-kiss.md

@@ -0,0 +1,5 @@
+---
+"ccip": patch
+---
+
+Increased OCR structs limits to 1M (was 10K) bytes #changed

core/services/ocr2/plugins/liquiditymanager/factory.go

@@ -17,6 +17,19 @@ import (
 
 const (
 	PluginName = "LiquidityManager"
+
+	// OCR limits
+
+	// maxQueryLength should be 0 as no queries are performed
+	maxQueryLength = 0
+	// maxObservationLength should be 1M bytes
+	maxObservationLength = 1_000_000
+	// maxOutcomeLength should be 1M bytes
+	maxOutcomeLength = 1_000_000
+	// maxReportLength should be 1M bytes
+	maxReportLength = 1_000_000
+	// maxReportCount should be 100
+	maxReportCount = 100
 )
 
 type PluginFactory struct {
@@ -98,16 +111,3 @@ func (p PluginFactory) NewReportingPlugin(config ocr3types.ReportingPluginConfig
 		},
 		nil
 }
-
-const (
-	// maxQueryLength should be 0 as no queries are performed
-	maxQueryLength = 0
-	// maxObservationLength should be 10 kilobytes
-	maxObservationLength = 10 * 1024
-	// maxOutcomeLength should be 10 kilobytes
-	maxOutcomeLength = 10 * 1024
-	// maxReportLength should be 10 kilobytes
-	maxReportLength = 10 * 1024
-	// maxReportCount should be 100
-	maxReportCount = 100
-)