chore: use gcp-docuploader 0.6.3 (#1708) (#2413)

Source-Link: https://togithub.com/googleapis/synthtool/commit/fbc8bfe364d70c38fbffbf68ebe1cfdae54d3447 Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-java:latest@sha256:e76136cc48f90aa19ba29cdfbd4002111467e44a1c9d905867d98dafafbd03bb

Author: gcf-owl-bot[bot]

.github/.OwlBot.lock.yaml

@@ -13,4 +13,4 @@
 # limitations under the License.
 docker:
  image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
- digest: sha256:a3fe0b4c75f322520f548e535ed329df1e475ace3cb4a979b78e003cb822636a
+ digest: sha256:e76136cc48f90aa19ba29cdfbd4002111467e44a1c9d905867d98dafafbd03bb

.kokoro/requirements.in

@@ -1,4 +1,4 @@
-gcp-docuploader==0.6.4
+gcp-docuploader==0.6.3
 google-crc32c==1.3.0
 googleapis-common-protos==1.56.3
 gcp-releasetool==1.9.1

.kokoro/requirements.txt

@@ -135,9 +135,9 @@ cryptography==38.0.3 \
  # -r requirements.in
  # gcp-releasetool
  # secretstorage
-gcp-docuploader==0.6.4 \
- --hash=sha256:01486419e24633af78fd0167db74a2763974765ee8078ca6eb6964d0ebd388af \
- --hash=sha256:70861190c123d907b3b067da896265ead2eeb9263969d6955c9e0bb091b5ccbf
+gcp-docuploader==0.6.3 \
+ --hash=sha256:ba8c9d76b3bbac54b0311c503a373b00edc2dc02d6d54ea9507045adb8e870f7 \
+ --hash=sha256:c0f5aaa82ce1854a386197e4e359b120ad6d4e57ae2c812fce42219a3288026b
  # via -r requirements.in
 gcp-releasetool==1.9.1 \
  --hash=sha256:952f4055d5d986b070ae2a71c4410b250000f9cc5a1e26398fcd55a5bbc5a15f \