feat(revision): add product_attribute submodule and update submodule references

Author: janikvonrotz

versions/18.0/.gitmodules

@@ -164,3 +164,7 @@
 	path = oca/account-invoicing
 	url = [email protected]:OCA/account-invoicing.git
 	branch = 18.0
+[submodule "addons/product_attribute"]
+	path = addons/product_attribute
+	url = [email protected]:Mint-System/Odoo-Apps-Product-Attribute.git
+	branch = 18.0

versions/18.0/.gitmodules.csv

@@ -6,7 +6,8 @@ addons/connector,f1a6f0511747c22e4c03eec5bde5a5290d569ee0
 addons/hr,01e8ff5e984df10022e7e0987b4611e99b723f8e
 addons/management_system,18397a33f5fd66d0780b93e071ce2d6022f05ad7
 addons/manufacture,5beba244a811ce8f1078cf14aff093a569fb7095
-addons/partner_contact,67b0f6004a1728ca948b8bdf90579767ad3af401
+addons/partner_contact,479120069eb1c31d20a17059a26183ceae20c7d2
+addons/product_attribute,00c2a7a774ea9e290d3afdb613bbff23e7c3a54d
 addons/purchase_workflow,5623b9a12489114e22a4fde845f211e59d94522c
 addons/sale_workflow,b977f8fbe353f3ea34c9177565fd0696d97d7bae
 addons/server_tools,b4e31767d274373d4f4d6d0be51661d0739ea91d
@@ -15,7 +16,7 @@ addons/spreadsheet,6093b62d62233c3bae1a866a7ae9d5ee26d9d49a
 addons/stock_logistics_workflow,9f15cf76d76bcf32bf895f2a3cc844d6debd82f3
 addons/vertical_saas,23db08ec670bc5fae27bd425f140ecea16fc04dc
 enterprise,96a848d65ec1ac291cb90c49752a9b1a0a0400e2
-oca/account-invoicing,8c805d5615215bd9ff866dba01104dcde8bfe13f
+oca/account-invoicing,00693a0bb8201de236cc334191b1bdc6cb806b34
 oca/bank-payment,311be5cb58e865e34e94f8ba2cf9b73cef0d6c1c
 oca/bank-statement-import,edd445d847885887d088a8323ba7f2c8c804d68e
 oca/connector,d4bcdbcc7a50e46193a9aa9f8699214212883add
@@ -36,7 +37,7 @@ oca/social,20f431ec55001f765212cb42bb95a596b8186386
 oca/stock-logistics-workflow,6da219122f0fc07692f346f1282deac8eb998238
 oca/storage,2051ffde471ccd49d9ee1806513e45a3e1939990
 oca/survey,15a049d7e191d07605014ad8453c3b1c3fe5c4ac
-oca/web,80d7af3b0bb84d2f6bea5e38cd6813063e3bdb39
+oca/web,fac85f13924fd85854366888892146c2809e0441
 oca/web-api,3bac3139d1ec3a512e2a2588eb869644c8cb5523
 odoo,79850d26f9d873cb808c7ec67af615ce27c10d96
 themes,dbf638fe8a4f685177a0aea6ad73c2a818465e0d