[DOWNSTREAM TEST][BRIDGE]Upgrade pulumi-terraform-bridge to 21b48c1

[pulumi-bot]

This PR was generated via $ upgrade-provider pulumi/pulumi-cloudinit --kind=bridge --target-bridge-version=21b48c1 --pr-reviewers=VenelinMartinov --pr-title-prefix=[DOWNSTREAM TEST][BRIDGE].

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• Upgrading pulumi-terraform-bridge from v3.82.0 to 21b48c1.
• Upgrading pulumi-terraform-bridge/pf from v0.35.0 to 21b48c1.

This PR was created to test a pulumi/pulumi-terraform-bridge feature.

• pulumi/pulumi-terraform-bridge#

• https://github.com/pulumi/pulumi-terraform-bridge/commit/f922aa1f1b7b8f543834f849032fca29b43c5502

DO NOT MERGE.

[github-actions[bot]]

Does the PR have any schema changes?

Looking good! No breaking changes found. No new resources/functions.

Maintainer note: consult the runbook for dealing with any breaking changes.