ci: add force flag to push on PR for CI

[rollandf]

• add force flag to push on PR for CI
• delete the chart directory before copy

[github-actions]

Thanks for your PR,
To run vendors CIs, Maintainers can use one of:

• /test-all: To run all tests for all vendors.
• /test-e2e-all: To run all E2E tests for all vendors.
• /test-e2e-nvidia-all: To run all E2E tests for NVIDIA vendor.

To skip the vendors CIs, Maintainers can use one of:

• /skip-all: To skip all tests for all vendors.
• /skip-e2e-all: To skip all E2E tests for all vendors.
• /skip-e2e-nvidia-all: To skip all E2E tests for NVIDIA vendor.
  Best regards.

[rollandf]

backport #50

[coveralls]

Pull Request Test Coverage Report for Build 13133022470

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.02%) to 47.363%

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Files with Coverage Reduction	New Missed Lines	%
controllers/drain_controller.go	3	78.57%

Totals
Change from base Build 13125400422:	-0.02%
Covered Lines:	7265
Relevant Lines:	15339

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💛 - Coveralls