fix(skore-hub-project): URL encode tenant and project before using it

[thomass-dev]

Partially addresses https://github.com/probabl-ai/skore-hub/issues/750.

[github-actions]

Coverage Report for skore-hub-project/

File	Stmts	Miss	Cover	Missing
skore-hub-project/src/skore_hub_project
__init__.py	22	1	95%	39
protocol.py	29	0	100%
skore-hub-project/src/skore_hub_project/artifact
__init__.py	0	0	100%
artifact.py	23	0	100%
serializer.py	26	0	100%
upload.py	36	4	88%	175, 177–178, 180
skore-hub-project/src/skore_hub_project/artifact/media
__init__.py	5	0	100%
data.py	24	0	100%
feature_importance.py	36	0	100%
media.py	7	0	100%
model.py	8	0	100%
performance.py	44	0	100%
skore-hub-project/src/skore_hub_project/artifact/pickle
__init__.py	2	0	100%
pickle.py	24	0	100%
skore-hub-project/src/skore_hub_project/authentication
__init__.py	0	0	100%
login.py	21	0	100%
logout.py	5	0	100%
token.py	18	0	100%
skore-hub-project/src/skore_hub_project/client
__init__.py	0	0	100%
api.py	47	0	100%
client.py	64	0	100%
skore-hub-project/src/skore_hub_project/metric
__init__.py	10	0	100%
accuracy.py	32	0	100%
brier_score.py	32	0	100%
log_loss.py	34	0	100%
metric.py	49	1	97%	23
precision.py	60	0	100%
r2.py	32	0	100%
recall.py	60	0	100%
rmse.py	34	0	100%
roc_auc.py	34	0	100%
timing.py	87	4	95%	51–52, 113–114
skore-hub-project/src/skore_hub_project/project
__init__.py	0	0	100%
project.py	102	3	97%	204, 308, 338
skore-hub-project/src/skore_hub_project/report
__init__.py	3	0	100%
cross_validation_report.py	63	1	98%	203
estimator_report.py	12	0	100%
report.py	51	0	100%
TOTAL	1136	14	98%

Tests	Skipped	Failures	Errors	Time
136	0 💤	0 ❌	0 🔥	1m 33s ⏱️

[retromechs]

Will definitely improve the stability waiting for the slug implementation, thanks!