chore(deps): bump the python group in /tests with 2 updates (#6942)

Bumps the python group in /tests with 2 updates: [protobuf](https://github.com/protocolbuffers/protobuf) and [six](https://github.com/benjaminp/six).


Updates `protobuf` from 5.29.0 to 5.29.1
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v5.29.0...v5.29.1)

Updates `six` from 1.16.0 to 1.17.0
- [Changelog](https://github.com/benjaminp/six/blob/main/CHANGES)
- [Commits](benjaminp/six@1.16.0...1.17.0)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python
- dependency-name: six
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Paul Abel <[email protected]>

Author: dependabot[bot]

tests/requirements.txt

@@ -489,18 +489,18 @@ pluggy==1.5.0 \
     # via
     #   -r requirements.txt
     #   pytest
-protobuf==5.29.0 \
-    --hash=sha256:0cd67a1e5c2d88930aa767f702773b2d054e29957432d7c6a18f8be02a07719a \
-    --hash=sha256:0d10091d6d03537c3f902279fcf11e95372bdd36a79556311da0487455791b20 \
-    --hash=sha256:17d128eebbd5d8aee80300aed7a43a48a25170af3337f6f1333d1fac2c6839ac \
-    --hash=sha256:34a90cf30c908f47f40ebea7811f743d360e202b6f10d40c02529ebd84afc069 \
-    --hash=sha256:445a0c02483869ed8513a585d80020d012c6dc60075f96fa0563a724987b1001 \
-    --hash=sha256:6c3009e22717c6cc9e6594bb11ef9f15f669b19957ad4087214d69e08a213368 \
-    --hash=sha256:85286a47caf63b34fa92fdc1fd98b649a8895db595cfa746c5286eeae890a0b1 \
-    --hash=sha256:88c4af76a73183e21061881360240c0cdd3c39d263b4e8fb570aaf83348d608f \
-    --hash=sha256:c931c61d0cc143a2e756b1e7f8197a508de5365efd40f83c907a9febf36e6b43 \
-    --hash=sha256:e467f81fdd12ded9655cea3e9b83dc319d93b394ce810b556fb0f421d8613e86 \
-    --hash=sha256:ea7fb379b257911c8c020688d455e8f74efd2f734b72dc1ea4b4d7e9fd1326f2
+protobuf==5.29.1 \
+    --hash=sha256:012ce28d862ff417fd629285aca5d9772807f15ceb1a0dbd15b88f58c776c98c \
+    --hash=sha256:027fbcc48cea65a6b17028510fdd054147057fa78f4772eb547b9274e5219331 \
+    --hash=sha256:1fc55267f086dd4050d18ef839d7bd69300d0d08c2a53ca7df3920cc271a3c34 \
+    --hash=sha256:22c1f539024241ee545cbcb00ee160ad1877975690b16656ff87dde107b5f110 \
+    --hash=sha256:32600ddb9c2a53dedc25b8581ea0f1fd8ea04956373c0c07577ce58d312522e0 \
+    --hash=sha256:50879eb0eb1246e3a5eabbbe566b44b10348939b7cc1b267567e8c3d07213853 \
+    --hash=sha256:5a41deccfa5e745cef5c65a560c76ec0ed8e70908a67cc8f4da5fce588b50d57 \
+    --hash=sha256:683be02ca21a6ffe80db6dd02c0b5b2892322c59ca57fd6c872d652cb80549cb \
+    --hash=sha256:8ee1461b3af56145aca2800e6a3e2f928108c749ba8feccc6f5dd0062c410c0d \
+    --hash=sha256:b5ba1d0e4c8a40ae0496d0e2ecfdbb82e1776928a205106d14ad6985a09ec155 \
+    --hash=sha256:d473655e29c0c4bbf8b69e9a8fb54645bc289dead6d753b952e7aa660254ae18
     # via
     #   -r requirements.txt
     #   grpcio-tools
@@ -635,9 +635,9 @@ rsa==4.9 \
     # via
     #   -r requirements.txt
     #   google-auth
-six==1.16.0 \
-    --hash=sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926 \
-    --hash=sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254
+six==1.17.0 \
+    --hash=sha256:4721f391ed90541fddacab5acf947aa0d3dc7d27b2e1e8eda2be8970586c3274 \
+    --hash=sha256:ff70335d468e7eb6ec65b95b99d3a2836546063f63acc5171de367e834932a81
     # via
     #   -r requirements.txt
     #   kubernetes