release -> develop for 0.4.1

[gomezzz]

This pull request includes updates to the deployment workflows and version bump for the project. The most important changes are grouped into workflow updates and version updates.

Workflow Updates:

• .github/workflows/deploy_to_pypi.yml: Updated workflow name, Python version, and Twine credentials. Changed actions/checkout and actions/setup-python to newer versions.
• .github/workflows/deploy_to_test_pypi.yml: Updated workflow name, Python version, and Twine credentials. Changed actions/checkout and actions/setup-python to newer versions. [1] [2]

Version Updates:

• docs/source/conf.py: Updated the release version from 0.4.0 to 0.4.1.
• setup.py: Updated the package version from 0.4.0 to 0.4.1.

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
boole_test.py	52	4	92%	128–131
gauss_test.py	66	4	94%	157–160
gradient_test.py	97	4	96%	109, 278–280
helper_functions.py	44	1	98%	314
integration_grid_test.py	69	4	94%	156–159
integration_test_functions.py	91	2	98%	50, 137
integrator_types_test.py	58	7	88%	129–135
monte_carlo_test.py	66	4	94%	162–165
rng_test.py	38	8	79%	64–71
simpson_test.py	65	4	94%	159–162
trapezoid_test.py	66	4	94%	156–159
utils_integration_test.py	127	9	93%	39–40, 237–244
vegas_map_test.py	73	5	93%	18, 155–158
vegas_stratification_test.py	50	4	92%	93–96
vegas_test.py	102	13	87%	227–241
torchquad/integration
base_integrator.py	49	7	86%	28, 68–71, 75, 113, 117, 122
boole.py	30	3	90%	53, 74–78
gaussian.py	52	3	94%	83, 109, 127
grid_integrator.py	101	3	97%	41, 161, 269
integration_grid.py	49	6	88%	47–48, 55–56, 117, 120
monte_carlo.py	93	3	97%	83, 104, 245
rng.py	62	24	61%	72–75, 92–120, 140
simpson.py	29	3	90%	51, 70–74
utils.py	118	10	92%	101, 140, 172, 176, 183, 195, 197, 203, 279, 286
vegas.py	161	5	97%	96, 100–101, 189, 341
vegas_map.py	98	6	94%	263–273
torchquad/plots
plot_convergence.py	13	10	23%	15–25
plot_runtime.py	8	6	25%	14–19
torchquad/utils
deployment_test.py	41	35	15%	18–62
enable_cuda.py	12	6	50%	16–21
set_precision.py	28	3	89%	36–39, 74
set_up_backend.py	19	1	95%	12
TOTAL	2133	211	90%

Tests	Skipped	Failures	Errors	Time
53	0 💤	0 ❌	0 🔥	1m 31s ⏱️