Bump tinycss2 from 1.3.0 to 1.4.0 #4585

Job	Run time
Python Unittests (focal-3.8, tests)	7m 57s
Python Unittests (focal-3.8, tests_nds)	7m 5s
Python Unittests (jammy-3.10, tests)	7m 11s
Python Unittests (jammy-3.10, tests_nds)	7m 2s
Build docker image	3m 57s
Build debian package (bionic)	2m 59s
Build debian package (focal)	3m 14s
Build debian package (jammy)	5m 16s
Tests E2E docker	6m 54s
Tests E2E 20.04	6m 47s
Upload coverage to codecov (focal-3.8, tests)	6s
Upload coverage to codecov (focal-3.8, tests_nds)	8s
Upload coverage to codecov (jammy-3.10, tests)	10s
Upload coverage to codecov (jammy-3.10, tests_nds)	10s
Publish (on release only)	0s
	58m 56s

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