chore(python): use python 3.10 for docs build (#2434)

Source-Link: googleapis/synthtool@9ae0785
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:52210e0e0559f5ea8c52be148b33504022e1faef4e95fbe4b32d68022af2fa7e

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

.github/.OwlBot.lock.yaml

@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:d3de8a02819f65001effcbd3ea76ce97e9bcff035c7a89457f40f892c87c5b32
-# created: 2024-07-03T17:43:00.77142528Z
+  digest: sha256:52210e0e0559f5ea8c52be148b33504022e1faef4e95fbe4b32d68022af2fa7e
+# created: 2024-07-08T19:25:35.862283192Z

.kokoro/requirements.txt

@@ -20,9 +20,9 @@ cachetools==5.3.3 \
     --hash=sha256:0abad1021d3f8325b2fc1d2e9c8b9c9d57b04c3932657a72465447332c24d945 \
     --hash=sha256:ba29e2dfa0b8b556606f097407ed1aa62080ee108ab0dc5ec9d6a723a007d105
     # via google-auth
-certifi==2024.6.2 \
-    --hash=sha256:3cd43f1c6fa7dedc5899d69d3ad0398fd018ad1a17fba83ddaf78aa46c747516 \
-    --hash=sha256:ddc6c8ce995e6987e7faf5e3f1b02b302836a0e5d98ece18392cb1a36c72ad56
+certifi==2024.7.4 \
+    --hash=sha256:5a1e7645bc0ec61a09e26c36f6106dd4cf40c6db3a1fb6352b0244e7fb057c7b \
+    --hash=sha256:c198e21b1289c2ab85ee4e67bb4b4ef3ead0892059901a8d5b622f24a1101e90
     # via requests
 cffi==1.16.0 \
     --hash=sha256:0c9ef6ff37e974b73c25eecc13952c55bceed9112be2d9d938ded8e856138bcc \
@@ -371,23 +371,23 @@ more-itertools==10.3.0 \
     # via
     #   jaraco-classes
     #   jaraco-functools
-nh3==0.2.17 \
-    --hash=sha256:0316c25b76289cf23be6b66c77d3608a4fdf537b35426280032f432f14291b9a \
-    --hash=sha256:1a814dd7bba1cb0aba5bcb9bebcc88fd801b63e21e2450ae6c52d3b3336bc911 \
-    --hash=sha256:1aa52a7def528297f256de0844e8dd680ee279e79583c76d6fa73a978186ddfb \
-    --hash=sha256:22c26e20acbb253a5bdd33d432a326d18508a910e4dcf9a3316179860d53345a \
-    --hash=sha256:40015514022af31975c0b3bca4014634fa13cb5dc4dbcbc00570acc781316dcc \
-    --hash=sha256:40d0741a19c3d645e54efba71cb0d8c475b59135c1e3c580f879ad5514cbf028 \
-    --hash=sha256:551672fd71d06cd828e282abdb810d1be24e1abb7ae2543a8fa36a71c1006fe9 \
-    --hash=sha256:66f17d78826096291bd264f260213d2b3905e3c7fae6dfc5337d49429f1dc9f3 \
-    --hash=sha256:85cdbcca8ef10733bd31f931956f7fbb85145a4d11ab9e6742bbf44d88b7e351 \
-    --hash=sha256:a3f55fabe29164ba6026b5ad5c3151c314d136fd67415a17660b4aaddacf1b10 \
-    --hash=sha256:b4427ef0d2dfdec10b641ed0bdaf17957eb625b2ec0ea9329b3d28806c153d71 \
-    --hash=sha256:ba73a2f8d3a1b966e9cdba7b211779ad8a2561d2dba9674b8a19ed817923f65f \
-    --hash=sha256:c21bac1a7245cbd88c0b0e4a420221b7bfa838a2814ee5bb924e9c2f10a1120b \
-    --hash=sha256:c551eb2a3876e8ff2ac63dff1585236ed5dfec5ffd82216a7a174f7c5082a78a \
-    --hash=sha256:c790769152308421283679a142dbdb3d1c46c79c823008ecea8e8141db1a2062 \
-    --hash=sha256:d7a25fd8c86657f5d9d576268e3b3767c5cd4f42867c9383618be8517f0f022a
+nh3==0.2.18 \
+    --hash=sha256:0411beb0589eacb6734f28d5497ca2ed379eafab8ad8c84b31bb5c34072b7164 \
+    --hash=sha256:14c5a72e9fe82aea5fe3072116ad4661af5cf8e8ff8fc5ad3450f123e4925e86 \
+    --hash=sha256:19aaba96e0f795bd0a6c56291495ff59364f4300d4a39b29a0abc9cb3774a84b \
+    --hash=sha256:34c03fa78e328c691f982b7c03d4423bdfd7da69cd707fe572f544cf74ac23ad \
+    --hash=sha256:36c95d4b70530b320b365659bb5034341316e6a9b30f0b25fa9c9eff4c27a204 \
+    --hash=sha256:3a157ab149e591bb638a55c8c6bcb8cdb559c8b12c13a8affaba6cedfe51713a \
+    --hash=sha256:42c64511469005058cd17cc1537578eac40ae9f7200bedcfd1fc1a05f4f8c200 \
+    --hash=sha256:5f36b271dae35c465ef5e9090e1fdaba4a60a56f0bb0ba03e0932a66f28b9189 \
+    --hash=sha256:6955369e4d9f48f41e3f238a9e60f9410645db7e07435e62c6a9ea6135a4907f \
+    --hash=sha256:7b7c2a3c9eb1a827d42539aa64091640bd275b81e097cd1d8d82ef91ffa2e811 \
+    --hash=sha256:8ce0f819d2f1933953fca255db2471ad58184a60508f03e6285e5114b6254844 \
+    --hash=sha256:94a166927e53972a9698af9542ace4e38b9de50c34352b962f4d9a7d4c927af4 \
+    --hash=sha256:a7f1b5b2c15866f2db413a3649a8fe4fd7b428ae58be2c0f6bca5eefd53ca2be \
+    --hash=sha256:c8b3a1cebcba9b3669ed1a84cc65bf005728d2f0bc1ed2a6594a992e817f3a50 \
+    --hash=sha256:de3ceed6e661954871d6cd78b410213bdcb136f79aafe22aa7182e028b8c7307 \
+    --hash=sha256:f0eca9ca8628dbb4e916ae2491d72957fdd35f7a5d326b7032a345f111ac07fe
     # via readme-renderer
 nox==2024.4.15 \
     --hash=sha256:6492236efa15a460ecb98e7b67562a28b70da006ab0be164e8821177577c0565 \
@@ -460,9 +460,9 @@ python-dateutil==2.9.0.post0 \
     --hash=sha256:37dd54208da7e1cd875388217d5e00ebd4179249f90fb72437e91a35459a0ad3 \
     --hash=sha256:a8b2bc7bffae282281c8140a97d3aa9c14da0b136dfe83f850eea9a5f7470427
     # via gcp-releasetool
-readme-renderer==43.0 \
-    --hash=sha256:1818dd28140813509eeed8d62687f7cd4f7bad90d4db586001c5dc09d4fde311 \
-    --hash=sha256:19db308d86ecd60e5affa3b2a98f017af384678c63c88e5d4556a380e674f3f9
+readme-renderer==44.0 \
+    --hash=sha256:2fbca89b81a08526aadf1357a8c2ae889ec05fb03f5da67f9769c9a592166151 \
+    --hash=sha256:8712034eabbfa6805cacf1402b4eeb2a73028f72d1166d6f5cb7f9c047c5d1e1
     # via twine
 requests==2.32.3 \
     --hash=sha256:55365417734eb18255590a9ff9eb97e9e1da868d4ccd6402399eaf68af20a760 \