Cloud Router Standard BPS Terraform Beta to GA support

[akshat-jindal-nit]

b/387318596
Cloud Router Standard BPS Terraform Beta => GA support

Release Note Template for Downstream PRs (will be copied)

compute: promoted `bgp_best_path_selection_mode `,`bgp_bps_always_compare_med` and `bgp_bps_inter_region_cost ` fields in `google_compute_network` from Beta to Ga

compute: promoted `next_hop_origin `,`next_hop_med ` and `next_hop_inter_region_cost ` output fields in `google_compute_route` form Beta to GA

[github-actions]

Hello! I am a robot. Tests will require approval from a repository maintainer to run.

@hao-nan-li, a repository maintainer, has been assigned to review your changes. If you have not received review feedback within 2 business days, please leave a comment on this PR asking them to take a look.

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[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes:

Diff report

Your PR generated some diffs in downstreams - here they are.

google provider: Diff ( 6 files changed, 405 insertions(+), 10 deletions(-))
google-beta provider: Diff ( 4 files changed, 21 insertions(+), 135 deletions(-))

[modular-magician]

Tests analytics

Total tests: 1077
Passed tests: 1004
Skipped tests: 73
Affected tests: 0

Click here to see the affected service packages

• compute

#### Non-exercised tests

🔴 Tests were added that are GA-only additions and require manual runs:

• TestAccComputeNetwork_bgpAlwaysCompareMedAndUpdate
• TestAccComputeNetwork_bgpBestPathSelectionModeAndUpdate
• TestAccComputeNetwork_bgpInterRegionCostAndUpdate
• TestAccComputeNetwork_default_bgp_always_compare_med
• TestAccComputeNetwork_default_bgp_best_path_selection_mode
• TestAccComputeNetwork_networkBgpBestPathSelectionModeExample
• TestAccComputeNetwork_networkBgpBestPathSelectionModeStandardCustomFieldsExample
• TestAccComputeNetwork_networkBgpBestPathSelectionModeStandardExample
  🟢 All tests passed!

View the build log

[hao-nan-li]

Could you update the release note according to https://googlecloudplatform.github.io/magic-modules/code-review/release-notes/? Otherwise LGTM

[akshat-jindal-nit]

Could you update the release note according to https://googlecloudplatform.github.io/magic-modules/code-review/release-notes/? Otherwise LGTM

done