chore(all): auto-regenerate gapics (#5729)

This is an auto-generated regeneration of the gapic clients by
cloud.google.com/go/internal/gapicgen. Once the corresponding genproto PR is
submitted, genbot will update this PR with a newer dependency to the newer
version of genproto and assign reviewers to this PR.

If you have been assigned to review this PR, please:

- Ensure that the version of genproto in go.mod has been updated.
- Ensure that CI is passing. If it's failing, it requires your manual attention.
- Approve and submit this PR if you believe it's ready to ship.

Corresponding genproto PR: googleapis/go-genproto#772

Changes:

fix(firestore): change REST binding for ListDocuments to support root collection
  PiperOrigin-RevId: 432504691
  Source-Link: googleapis/googleapis@3db3087

feat(analytics/admin): remove `WebDataStream`, `IosAppDataStream`, `AndroidAppDataStream` resources and corresponding operations, as they are replaced by the `DataStream` resource feat: add `restricted_metric_type` field to the `CustomMetric` resource feat!: move the `GlobalSiteTag` resource from the property level to the data stream level
  PiperOrigin-RevId: 432342398
  Source-Link: googleapis/googleapis@a079cb0