gstlal_svd_bank_checkerboard: update for svd_bank.write_bank API changes

This program ceased to work due to API changes introduced by 214489cd in svd_bank.write_bank. This PR updates the call to correspond with the new API changes.

added 24 commits

• 8423fb92...c0ece453 - 23 commits from branch master
• 05fc4b1c - gstlal_svd_bank_checkerboard: update for svd_bank.write_bank API changes

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merged