Update xorm to v1 (#323)

Fix limit for databases other than sqlite

go mod tidy && go mod vendor

Remove unneeded break statements

Make everything work with the new xorm version

Fix xorm logging

Fix lint

Fix redis init

Fix using id field

Fix database init for testing

Change default database log level

Add xorm logger

Use const for postgres

go mod tidy

Merge branch 'master' into update/xorm

# Conflicts:
#	go.mod
#	go.sum
#	vendor/modules.txt

go mod vendor

Fix loading fixtures for postgres

Go mod vendor1

Update xorm to version 1

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/323

vendor/xorm.io/xorm/doc.go

@@ -126,7 +126,7 @@ Attention: the above 8 methods should be the last chainable method.
 
     engine.ID(1).Get(&user) // for single primary key
     // SELECT * FROM user WHERE id = 1
-    engine.ID(core.PK{1, 2}).Get(&user) // for composite primary keys
+    engine.ID(schemas.PK{1, 2}).Get(&user) // for composite primary keys
     // SELECT * FROM user WHERE id1 = 1 AND id2 = 2
     engine.In("id", 1, 2, 3).Find(&users)
     // SELECT * FROM user WHERE id IN (1, 2, 3)