Use round instead of int in datatypes.py

[gerw]

int(some_float) always rounds towards zero and this is (maybe) not what is expected.

This PR suggests to replace int() by round().

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
luxtronik
__init__.py	134	106	21%	38–54, 61–66, 69–73, 79, 83, 102–113, 116–119, 122–142, 145–160, 163–180, 183–198, 202–204, 208–209, 213–214
__main__.py	21	21	0%	2–48
datatypes.py	235	12	95%	37, 42, 47, 57, 72–75, 80–83, 92
discover.py	43	34	21%	25–77
luxtronik/scripts
dump_changes.py	44	44	0%	5–93
dump_luxtronik.py	28	28	0%	5–64
TOTAL	588	245	58%

Tests	Skipped	Failures	Errors	Time
110	4 💤	0 ❌	0 🔥	0.998s ⏱️

[Bouni]

Lgtm