fix: propagate fail_on_error in upload-coverage command

[sentry]

The upload-coverage command, when handling report types other than COVERAGE (e.g., test_results), was incorrectly hardcoding fail_on_error=True for its internal create_commit and create_report invocations. This meant that even if the user did not specify --fail-on-error for the upload-coverage command, any failure during commit or report creation would lead to a non-zero exit code.

This change modifies codecov_cli/commands/upload_coverage.py to correctly pass the fail_on_error parameter provided to the upload-coverage command down to create_commit and create_report. This ensures consistent behavior where the CLI's exit code reflects the user's explicit --fail-on-error setting.

Fixes CLI-GM

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[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
723	1	722	1

View the full list of 1 ❄️ flaky test(s)

api.temp.calculator.test_calculator::test_divide

Flake rate in main: 100.00% (Passed 0 times, Failed 1726 times)

Stack Traces | 0.001s run time

def
                test_divide():
                > assert Calculator.divide(1, 2) == 0.5
                E assert 1.0 == 0.5
                E + where 1.0 = <function Calculator.divide at 0x104c9eb90>(1, 2)
                E + where <function Calculator.divide at 0x104c9eb90> = Calculator.divide
                .../temp/calculator/test_calculator.py:30: AssertionError

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