NOC 20.4 release notes

See merge request noc/noc!4648

Ci black fix

See merge request noc/noc!4644

`-l, --line-length INTEGER       How many characters per line to allow.
                                  [default: 88]
`

Catch trace on etl loader when delete lost mapping.

See merge request noc/noc!4640

Change start condition

See merge request noc/noc!4643

(cherry picked from commit cfd754a5)

b6284762 Change start condition

Change start condition

See merge request noc/noc!4643

Update LDAP login service #1252

See merge request noc/noc!4538

noc/noc#1011

See merge request noc/noc!4568

noc/noc#1400 Migrate InterfaceClassification to ConfDB.

See merge request noc/noc!4592

Bump minimum requirements for tower

See merge request noc/noc!4638

Fix auth path redirect

See merge request noc/noc!4637

Add liftbridge deployflow

See merge request noc/noc!4623

add metrics "Subscribers | Summary" Alcatel.TIMOS

See merge request noc/noc!4624

Add Telephony SIP metrics graph.

See merge request noc/noc!4632

Always uplinks calculate.

See merge request noc/noc!4633

Convert limit from dcs to int.

See merge request noc/noc!4630

noc/noc#1440 Use all macs on 'Discovery ID cache poison' report.

See merge request noc/noc!4629

noc/noc#1439 Fix tag contains query for non latin symbol.

See merge request noc/noc!4627

Add AcmePacket Vendor.

See merge request noc/noc!4625

Fix Service etl model.

See merge request noc/noc!4622

noc/noc#1241 Add ansible-CI

See merge request noc/noc!4482

This reverts commit 8709711b

NSN.TIMOS.get_interfaces. Fix empty MAC on output.

See merge request noc/noc!4617