fix: windows root dir returns '\\' instead of the drive

[hfudev]

No description provided.

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
idf_build_apps
__main__.py	3	3	0%	4–9
app.py	523	81	85%	206, 251, 260–262, 294, 306, 323, 364–365, 368, 378–379, 390–393, 453–458, 478, 516, 572–580, 590–591, 601, 619–620, 622, 638–647, 663–701, 706–707, 711–712, 723–725, 731, 832–840, 850–880, 884–894, 985–991, 994, 1016
args.py	305	34	89%	159, 315, 328, 335, 356–361, 371–376, 542, 545–546, 552, 562–564, 567, 592–593, 596–597, 726–727, 788, 790, 850, 869–879, 898
autocompletions.py	29	24	17%	16–23, 31–54
finder.py	84	6	93%	79–80, 150, 167–169
log.py	48	4	92%	37, 50, 55, 80
main.py	202	63	69%	72, 77–81, 95–100, 137, 142–146, 176, 200–202, 206, 211–224, 239–242, 253–278, 368–375, 384–385, 407–415, 418, 424–425, 431–433
session_args.py	54	7	87%	46–50, 56, 70
utils.py	188	27	86%	26, 35, 113, 130–131, 151–155, 203, 246, 273–279, 292–295, 309–315, 380
idf_build_apps/junit
report.py	93	9	90%	82, 92, 109–111, 137, 144–145, 170
utils.py	29	10	66%	18, 26–35
idf_build_apps/manifest
manifest.py	223	8	96%	98, 147, 169, 314, 345–346, 365, 409
soc_header.py	2	2	0%	4–6
idf_build_apps/vendors
pydantic_sources.py	68	5	93%	52, 75, 78–81
TOTAL	1947	283	85%

Tests	Skipped	Failures	Errors	Time
110	0 💤	0 ❌	0 🔥	9m 13s ⏱️