Regenerate dlp client

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Here's the log from Synthtool:

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/google-cloud-clients/google-cloud-dlp/synth.py.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:8900f94a81adaab0238965aa8a7b3648791f4f3a95ee65adc6a56cfcc3753101
Status: Image is up to date for googleapis/artman:latest
synthtool > Cloning googleapis.
synthtool > Running generator for google/privacy/dlp/artman_dlp_v2.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/java.
synthtool > Running java formatter on 10 files
synthtool > Running java formatter on 1 files
synthtool > Running java formatter on 293 files
synthtool > Cleaned up 0 temporary directories.
synthtool > Wrote metadata to synth.metadata.

[codecov]

Codecov Report

Merging #5678 into master will not change coverage.
The diff coverage is n/a.

@@ Coverage Diff @@## master #5678 +/- ##
=========================================
Coverage 46.71% 46.71% Complexity 24629 24629 =========================================
Files 2351 2351 Lines 256127 256127 Branches 29325 29325 =========================================
Hits 119648 119648 Misses 127559 127559 Partials 8920 8920

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