Terraform

ENHANCEMENTS:

• command/format: No longer show no-ops in terraform show, since nothing will change (#21907)
• backend/s3: Support for assuming role using credential process from the shared AWS configuration file (support profile containing both credential_process and role_arn configurations) (#21908)
• connection/ssh: Abort ssh connections when the server is no longer responding (#22037)
• connection/ssh: Support ssh diffie-hellman-group-exchange-sha256 key exchange (#22037)

BUG FIXES:

• backend/remote: fix conflict with normalized config dir and vcs root working directory (#22096)
• backend/remote: be transparent about what filesystem prefix Terraform is uploading to the remote system, and why it's doing that (#22121)
• configs: Ensure diagnostics are properly recorded from nested modules (#22098)
• core: Prevent inconsistent final plan error when using dynamic in a set-type block (#22057)
• lang/funcs: Allow null values in compact function (#22044)