Update third-party tests

Author: github-merge-queue[bot]

necessist/tests/README.md

@@ -17,7 +17,7 @@
 | minio                      | RELEASE.2025-10-15T17-29-55Z             |           |      | X     | X     | X       | 1         |
 | operator-filter-registry   | v1.4.2                                   |           |      | X     | X     | X       | 0         |
 | proptest_https             | b71253807372932f72a71b1af7975371a41e7c88 |           | X    | X     | X     | X       | 0         |
-| pyth                       | pyth-lazer-agent-v0.7.2                  | anchor    |      | X     | X     |         | 0         |
+| pyth                       | rust-pyth-lazer-client-v8.6.1            | anchor    |      | X     | X     |         | 0         |
 | seaport_foundry            | 1.6                                      | foundry   | X    | X     | X     | X       | 1         |
 | seaport_hardhat            | 1.6                                      | hardhat   |      | X     | X     | X       | 1         |
 | storybook                  |                                          |           | X    | X     | X     |         | 0         |

necessist/tests/third_party_tests/0/pyth.toml

@@ -1,5 +1,5 @@
 url = "https://github.com/pyth-network/pyth-crosschain"
-rev = "pyth-lazer-agent-v0.7.2"
+rev = "rust-pyth-lazer-client-v8.6.1"
 target_os = ["linux", "macos"]
 subdir = "pythnet/message_buffer"
 framework = "anchor"