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

docs/content/doc/setup/config.md

@@ -155,6 +155,8 @@ log:
   standard: "stdout"
   # Whether or not to log database queries. Useful for debugging. Possible values are stdout, stderr, file or off to disable database logging.
   database: "off"
+  # The log level for database log messages. Possible values are CRITICAL, ERROR, WARNING, NOTICE, INFO, DEBUG.
+  databaselevel: "DEBUG"
   # Whether to log http requests or not. Possible values are stdout, stderr, file or off to disable http logging.
   http: "stdout"
   # Echo has its own logging which usually is unnessecary, which is why it is disabled by default. Possible values are stdout, stderr, file or off to disable standard logging.