chore(deps): update docker/build-push-action digest to ca877d9

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker/build-push-action	action	digest	67a2d40 -> ca877d9

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[github-actions]

Run Details - tfws-ops-test

Terraform Cloud Plan Output

Plan: 6 to add, 0 to change, 0 to destroy.

Details : https://app.terraform.io/app/freecodecamp/workspaces/tfws-ops-test/runs/run-q7ZXp1ayqty8B6MH

Warning

Please note that the plan output provided may not accurately reflect the impact on the Terraform project you are currently working on in this Pull Request. The CI checks are merely a sanity test to verify that the versions in the lock file are valid and functional. Confirm the actual Terraform plan by running the corresponding project on your machine or on TFC.