feat(versions/18.0): add oca modules mail and social, update submodule references

versions/18.0/.gitmodules

@@ -104,3 +104,11 @@
 	path = oca/hr-attendance
 	url = git@github.com:OCA/hr-attendance.git
 	branch = 18.0
+[submodule "oca/social"]
+	path = oca/social
+	url = git@github.com:OCA/social.git
+	branch = 18.0
+[submodule "oca/mail"]
+	path = oca/mail
+	url = git@github.com:OCA/mail.git
+	branch = 18.0

versions/18.0/.gitmodules.csv

@@ -1,5 +1,5 @@
 path,rev
-addons/account_invoicing,287f1afa4332589f2b5f7f4ee6e4956e13582ed8
+addons/account_invoicing,0196807984d8ff4e59615bac329e8a383b2bc1bf
 addons/connector,60cc273893350860f1c1bed4ddc039dff0dda652
 addons/hr,7c796ae6b9c73e1385a8dd8c3d67abb84f972e07
 addons/management_system,18397a33f5fd66d0780b93e071ce2d6022f05ad7
@@ -7,21 +7,23 @@ addons/manufacture,a6ec23e3cd2cbf4f5a3b186883a946f73c1ef10e
 addons/partner_contact,35245c327207ff474138844e6f096e364327e493
 addons/sale_workflow,61a64ac6b845e61542b52fa15be82fd34d8049e9
 addons/server_tools,27892a7f40463a6b46b9704c6d64ed498e9903f9
-addons/stock_logistics_workflow,25ddedcb5254fb8fcda7ac0aab1f61a03f960c7a
+addons/stock_logistics_workflow,527d2685408a81a0d90d4611e3f8b464898b01f5
 addons/website,ce8da1bfd092f356528643984a0bd780dcd0ae6e
-enterprise,ade44053cbcc76a54949b52d562eaab8b3deaa6a
-oca/bank-payment,7b8540d6a1490a255e31f6d5a9e435637983d3f6
-oca/bank-statement-import,ef0d1f282443ab4b1ffd19ed27b8b483dbb25e14
+enterprise,85d0c8b0c85d4ed3586c2b7b1ad20b7df554d385
+oca/bank-payment,51f6fb6750537d4a4722ccdff63978fd99f8de9f
+oca/bank-statement-import,ae458fe17dca15f5f66e2404238e745966a3f340
 oca/hr-attendance,27d69ba2ef5ab141fc5243d5baa9f4eedd199e63
-oca/partner-contact,514eeea68b7afd84d9a3b8ad5c38a5bf8f235615
-oca/project,6ecb62390978cfab1d527d80bcea315316263c32
+oca/mail,5795b4ab9eacc0b38761434cc7adeb2e1b34ccb7
+oca/partner-contact,6336ccf6f88b856765a04aff022175ad16d5be5f
+oca/project,903a2093f5c55cf0ea00dae86bad694030fb1930
 oca/queue,2e0ed2cc9022eecc517315308ce25c87e0c214ec
-oca/sale-workflow,308496fe309c61551f25bbd4b852e0a83e958104
-oca/server-auth,5afea9af55bf729dfcb8e47e502d82676af33846
-oca/server-backend,e5d1451c4e5582b185b0fad881ff040f9625a357
+oca/sale-workflow,78a4f3251d169710793247bf49865351ef7e84f7
+oca/server-auth,4ef819dc04af88cfb0f2dce5e36a8bfaae9aadfe
+oca/server-backend,5348f9d3d1d2dceb2ec343d63adf0d5fc40a7832
 oca/server-env,03d8a0310bf2a5a3ab4cec09ff86ffecc26d0e64
-oca/server-tools,22ed5dc4fb76971dbce0bdfd463cff5f1719c2ec
-oca/stock-logistics-workflow,5e864299d5ab5a44b8275ac0b45ba0a051d9e49b
-oca/web-api,3bac3139d1ec3a512e2a2588eb869644c8cb5523
-odoo,d26148acaee5b5c995155780ec3993c5ae7210e6
-themes,f34b99fdb21fa4a6d14cec1e014b4b5df45840d2
+oca/server-tools,cbc00c9ba781a8316ee37660f445608c6297361e
+oca/social,3c207457860ff388d07263616de1c5c1ea141161
+oca/stock-logistics-workflow,821dcc1954a40b2ae6794c9f75c8794a6a4856b0
+oca/web-api,608338907f1c7b0fe06d3fcbf4aee7bb792fd29f
+odoo,0d185ef66c195ef5b476050ebc9f5282931cc1ce
+themes,73210b4869369811b985d2cab26c3a7847945ca0