chore(release): release 6.12.1

[github-actions[bot]]

:robot: I have created a release

6.12.1 (2024-08-16)

Miscellaneous Chores

• ci: migrate release-please-action (12f89ee)
• ci: move attestations to stable (ac4b1d6)
• ci: update golangci-lint (eee67ab)
• deps: update anchore/sbom-action action to v0.17.1 (2ba61d6)
• deps: update module github.com/pulumi/pulumi-terraform-bridge/pf to v0.42.0 (ec1d267)
• deps: update module github.com/pulumi/pulumi-terraform-bridge/pf to v0.42.1 (a299efc)
• deps: update module github.com/pulumi/pulumi-terraform-bridge/v3 to v3.89.1 (10d155a)
• deps: update module github.com/pulumi/pulumi/sdk/v3 to v3.129.0 (d913376)

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