[VOL-5475] upgrade go to 1.24.5 and golangci-lint version to 2.2.2

Signed-off-by: mgouda <madhumati.gouda@radisys.com>
Change-Id: I0d7ded6f836ae4a579d0167b491f01e10ada4b13
diff --git a/internal/pkg/swupg/adapter_download_manager.go b/internal/pkg/swupg/adapter_download_manager.go
index 8dabf08..1185399 100755
--- a/internal/pkg/swupg/adapter_download_manager.go
+++ b/internal/pkg/swupg/adapter_download_manager.go
@@ -280,7 +280,7 @@
 		return nil, statsErr
 	}
 
-	var size int64 = stats.Size()
+	var size = stats.Size()
 	bytes := make([]byte, size)
 
 	buffer := bufio.NewReader(file)
diff --git a/internal/pkg/swupg/file_download_manager.go b/internal/pkg/swupg/file_download_manager.go
index 1893b4d..bb9bd69 100755
--- a/internal/pkg/swupg/file_download_manager.go
+++ b/internal/pkg/swupg/file_download_manager.go
@@ -174,7 +174,7 @@
 		return nil, statsErr
 	}
 
-	var size int64 = stats.Size()
+	var size = stats.Size()
 	bytes := make([]byte, size)
 
 	buffer := bufio.NewReader(file)
diff --git a/internal/pkg/swupg/omci_onu_upgrade.go b/internal/pkg/swupg/omci_onu_upgrade.go
index 3ef4612..3cce167 100755
--- a/internal/pkg/swupg/omci_onu_upgrade.go
+++ b/internal/pkg/swupg/omci_onu_upgrade.go
@@ -1539,7 +1539,7 @@
 			//CRC computation for all data bytes of the file
 			imageCRC := crc32a.Checksum(oFsm.imageBuffer[:int(oFsm.origImageLength)]) //store internal for multiple usage
 			//revert the retrieved CRC Byte Order (seems not to deliver NetworkByteOrder)
-			var byteSlice []byte = make([]byte, 4)
+			var byteSlice = make([]byte, 4)
 			binary.LittleEndian.PutUint32(byteSlice, uint32(imageCRC))
 			oFsm.imageCRC = binary.BigEndian.Uint32(byteSlice)
 			oFsm.mutexUpgradeParams.Unlock()