Rename cutover/cutback to failover/failback in PCR docs

[kathancox]

DOC-11218

In v24.3, we want to rename the cutover and cutback feature in physical cluster replication to failover and failback, which are more widely used terms.

This PR renames cutover and cutback in the PCR docs to failover and failback.

[github-actions[bot]]

Files changed:

• src/current/_data/redirects.yml
• src/current/_includes/v24.3/known-limitations/cutover-stop-application.md:
• Warning: include not used in any v24.3 file or include
• src/current/_includes/v24.3/known-limitations/failover-stop-application.md:
• src/current/v24.3/physical-cluster-replication-overview.md
• src/current/v24.3/known-limitations.md
• src/current/_includes/v24.3/known-limitations/pcr-scheduled-changefeeds.md:
• src/current/v24.3/create-and-configure-changefeeds.md
• src/current/v24.3/physical-cluster-replication-overview.md
• src/current/v24.3/known-limitations.md
• src/current/_includes/v24.3/known-limitations/physical-cluster-replication.md:
• src/current/v24.3/physical-cluster-replication-overview.md
• src/current/v24.3/known-limitations.md
• src/current/_includes/v24.3/physical-replication/fast-cutback-latest-timestamp.md:
• Warning: include not used in any v24.3 file or include
• src/current/_includes/v24.3/physical-replication/fast-failback-latest-timestamp.md:
• Warning: include not used in any v24.3 file or include
• src/current/_includes/v24.3/physical-replication/fast-failback-syntax.md:
• src/current/v24.3/alter-virtual-cluster.md
• src/current/v24.3/failover-replication.md
• src/current/_includes/v24.3/physical-replication/retention.md:
• src/current/v24.3/alter-virtual-cluster.md
• src/current/v24.3/create-virtual-cluster.md
• src/current/_includes/v24.3/physical-replication/show-virtual-cluster-data-state.md:
• src/current/v24.3/show-virtual-cluster.md
• src/current/v24.3/physical-cluster-replication-monitoring.md
• src/current/_includes/v24.3/physical-replication/show-virtual-cluster-responses.md:
• src/current/v24.3/show-virtual-cluster.md
• src/current/v24.3/physical-cluster-replication-monitoring.md
• src/current/_includes/v24.3/sidebar-data/self-hosted-deployments.json
• src/current/images/v24.3/cutover-window.png:
• Warning: include not used in any v24.3 file or include
• src/current/images/v24.3/failover.svg:
• src/current/v24.3/physical-cluster-replication-technical-overview.md
• src/current/v24.3/alter-virtual-cluster.md
• src/current/v24.3/create-virtual-cluster.md
• src/current/v24.3/data-resilience.md
• src/current/v24.3/failover-replication.md
• src/current/v24.3/known-limitations.md
• src/current/v24.3/physical-cluster-replication-monitoring.md
• src/current/v24.3/physical-cluster-replication-overview.md
• src/current/v24.3/physical-cluster-replication-technical-overview.md
• src/current/v24.3/set-up-physical-cluster-replication.md
• src/current/v24.3/show-virtual-cluster.md

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