google/common-protos split based on older version

[mbabker]

#7554 appears to have merged an older release of the google/common-protos repo, removing changes after the 4.5.0 release (on a glance this appears to include googleapis/common-protos-php#85 and googleapis/common-protos-php#88).

Environment details

• OS: N/A
• PHP version: N/A
• Package name and version: google/common-protos

Steps to reproduce

1. Compare the state of https://github.com/googleapis/common-protos-php/tree/v4.7.0 to https://github.com/googleapis/common-protos-php/tree/v4.8.0

Code example

N/A

[bshaffer]

@mbabker thank you for catching this, and sorry for the inconvenience. This will be fixed in the next release (tomorrow) by #7591