chore(all): auto-regenerate gapics (#3607)

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#521

Changes:

fix(datacatalog): Update PHP package name casing to match the PHP namespace in the proto files
  PiperOrigin-RevId: 353287430
  Source-Link: googleapis/googleapis@43655b7

feat(spanner): add option for returning Spanner commit stats
  PiperOrigin-RevId: 353145174
  Source-Link: googleapis/googleapis@8fa381b

Author: yoshi-automation