chore: fix api_description in generation_config

[generated-files-bot[bot]]

Warning: This pull request is touching the following templated files:

• proto-google-cloud-datastore-v1/src/main/java/com/google/datastore/v1/DatastoreProto.java
• proto-google-cloud-datastore-v1/src/main/java/com/google/datastore/v1/LookupRequest.java
• proto-google-cloud-datastore-v1/src/main/java/com/google/datastore/v1/LookupRequestOrBuilder.java
• proto-google-cloud-datastore-v1/src/main/java/com/google/datastore/v1/Mutation.java
• proto-google-cloud-datastore-v1/src/main/java/com/google/datastore/v1/MutationOrBuilder.java
• proto-google-cloud-datastore-v1/src/main/java/com/google/datastore/v1/RunQueryRequest.java
• proto-google-cloud-datastore-v1/src/main/java/com/google/datastore/v1/RunQueryRequestOrBuilder.java
• proto-google-cloud-datastore-v1/src/main/proto/google/datastore/v1/datastore.proto
• renovate.json

[JoeWang1127]

Do you know why there is code change in this PR?

[diegomarquezp]

Do you know why there is code change in this PR?

@JoeWang1127 it's because I only modified api_description while googleapis_committish has been left with a very old value. I'll close this PR and modify the description in the generated PR