build(deps): bump idna from 3.4 to 3.7 in /.kokoro

Bumps [idna](https://github.com/kjd/idna) from 3.4 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.4...v3.7)

---
updated-dependencies:
- dependency-name: idna
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

.kokoro/requirements.txt

@@ -240,11 +240,11 @@ filelock==3.8.0 \
 gcp-docuploader==0.6.4 \
  --hash=sha256:01486419e24633af78fd0167db74a2763974765ee8078ca6eb6964d0ebd388af \
  --hash=sha256:70861190c123d907b3b067da896265ead2eeb9263969d6955c9e0bb091b5ccbf
- # via -r .kokoro/requirements.in
+ # via -r requirements.in
 gcp-releasetool==1.16.0 \
  --hash=sha256:27bf19d2e87aaa884096ff941aa3c592c482be3d6a2bfe6f06afafa6af2353e3 \
  --hash=sha256:a316b197a543fd036209d0caba7a8eb4d236d8e65381c80cbc6d7efaa7606d63
- # via -r .kokoro/requirements.in
+ # via -r requirements.in
 google-api-core==2.10.2 \
  --hash=sha256:10c06f7739fe57781f87523375e8e1a3a4674bf6392cd6131a3222182b971320 \
  --hash=sha256:34f24bd1d5f72a8c4519773d99ca6bf080a6c4e041b4e9f024fe230191dda62e
@@ -345,16 +345,15 @@ googleapis-common-protos==1.56.4 \
  --hash=sha256:8eb2cbc91b69feaf23e32452a7ae60e791e09967d81d4fcc7fc388182d1bd394 \
  --hash=sha256:c25873c47279387cfdcbdafa36149887901d36202cb645a0e4f29686bf6e4417
  # via google-api-core
-idna==3.4 \
- --hash=sha256:814f528e8dead7d329833b91c5faa87d60bf71824cd12a7530b5526063d02cb4 \
- --hash=sha256:90b77e79eaa3eba6de819a0c442c0b4ceefc341a7a2ab77d7562bf49f425c5c2
+idna==3.7 \
+ --hash=sha256:028ff3aadf0609c1fd278d8ea3089299412a7a8b9bd005dd08b9f8285bcb5cfc \
+ --hash=sha256:82fee1fc78add43492d3a1898bfa6d8a904cc97d8427f683ed8e798d07761aa0
  # via requests
 importlib-metadata==5.0.0 \
  --hash=sha256:da31db32b304314d044d3c12c79bd59e307889b287ad12ff387b3500835fc2ab \
  --hash=sha256:ddb0e35065e8938f867ed4928d0ae5bf2a53b7773871bfe6bcc7e4fcdc7dea43
  # via
- # -r .kokoro/requirements.in
- # keyring
+ # -r requirements.in
  # twine
 jaraco-classes==3.2.3 \
  --hash=sha256:2353de3288bc6b82120752201c6b1c1a14b058267fa424ed5ce5984e3b922158 \
@@ -376,7 +375,7 @@ keyring==23.9.3 \
  # via
  # gcp-releasetool
  # twine
-MarkupSafe==2.1.3 \
+markupsafe==2.1.3 \
  --hash=sha256:05fb21170423db021895e1ea1e1f3ab3adb85d1c2333cbc2310f2a26bc77272e \
  --hash=sha256:0a4e4a1aff6c7ac4cd55792abf96c915634c2b97e3cc1c7129578aa68ebd754e \
  --hash=sha256:10bbfe99883db80bdbaff2dcf681dfc6533a614f700da1287707e8a5d78a8431 \
@@ -445,7 +444,7 @@ more-itertools==8.14.0 \
 nox==2022.8.7 \
  --hash=sha256:1b894940551dc5c389f9271d197ca5d655d40bdc6ccf93ed6880e4042760a34b \
  --hash=sha256:96cca88779e08282a699d672258ec01eb7c792d35bbbf538c723172bce23212c
- # via -r .kokoro/requirements.in
+ # via -r requirements.in
 packaging==21.3 \
  --hash=sha256:dd47c42927d89ab911e606518907cc2d3a1f38bbd026385970643f9c5b8ecfeb \
  --hash=sha256:ef103e05f519cdc783ae24ea4e2e0f508a9c99b2d4969652eed6a2e1ea5bd522
@@ -571,13 +570,11 @@ six==1.16.0 \
 twine==4.0.1 \
  --hash=sha256:42026c18e394eac3e06693ee52010baa5313e4811d5a11050e7d48436cf41b9e \
  --hash=sha256:96b1cf12f7ae611a4a40b6ae8e9570215daff0611828f5fe1f37a16255ab24a0
- # via -r .kokoro/requirements.in
+ # via -r requirements.in
 typing-extensions==4.8.0 \
  --hash=sha256:8f92fc8806f9a6b641eaa5318da32b44d401efaac0f6678c9bc448ba3605faa0 \
  --hash=sha256:df8e4339e9cb77357558cbdbceca33c303714cf861d1eef15e1070055ae8b7ef
- # via
- # -r .kokoro/requirements.in
- # rich
+ # via -r requirements.in
 urllib3==1.26.18 \
  --hash=sha256:34b97092d7e0a3a8cf7cd10e386f401b3737364026c45e622aa02903dffe0f07 \
  --hash=sha256:f8ecc1bba5667413457c529ab955bf8c67b45db799d159066261719e328580a0
@@ -595,7 +592,7 @@ webencodings==0.5.1 \
 wheel==0.38.1 \
  --hash=sha256:7a95f9a8dc0924ef318bd55b616112c70903192f524d120acc614f59547a9e1f \
  --hash=sha256:ea041edf63f4ccba53ad6e035427997b3bb10ee88a4cd014ae82aeb9eea77bb9
- # via -r .kokoro/requirements.in
+ # via -r requirements.in
 zipp==3.8.1 \
  --hash=sha256:05b45f1ee8f807d0cc928485ca40a07cb491cf092ff587c0df9cb1fd154848d2 \
  --hash=sha256:47c40d7fe183a6f21403a199b3e4192cca5774656965b0a4988ad2f8feb5f009