Migration to version 18.0

[OCA-git-bot]

Todo

https://github.com/OCA/maintainer-tools/wiki/Migration-to-version-18.0

Modules to migrate

• product_warranty - By @peluko00 - [18.0][MIG] product_warranty: Migration to 18.0  #436
• rma - By @victoralmau - [18.0][MIG] rma: Migration to 18.0 #444
• rma_reason - By @marielejeune - [18.0] [MIG] rma_reason #479
• rma_repair - By @victoralmau - [18.0][MIG] rma_repair + rma_repair_lot: Migration to 18.0 #503
• rma_sale - By @victoralmau - [18.0][MIG] rma_sale: Migration to 18.0 #450
• rma_sale_lot - By @sbejaoui - [18.0][MIG] rma_sale_lot #487
• rma_sale_mrp - By @eduezerouali-tecnativa - [18.0][MIG] rma_sale_mrp: Migration to version 18.0 #525

Missing module? Check https://github.com/OCA/maintainer-tools/wiki/%5BFAQ%5D-Missing-modules-in-migration-issue-list

[peluko00]

Migrating:

• [product_warranty] [18.0][MIG] product_warranty: Migration to 18.0  #436

[victoralmau]

I am working on rma

[georgiedekker]

PR for stock_production_lot_warranty migration: #468

[georgiedekker]

@victoralmau please review and accept my PR