chore(deps): bump execnet from 1.7.1 to 1.9.0 in /app/tests

[dependabot]

Bumps execnet from 1.7.1 to 1.9.0.

Changelog

Sourced from execnet's changelog.

1.9.0 (2021-06-13)

• Removed the apipkg dependency.

1.8.1 (2021-05-27)

• Update calls of threading.Event.isSet() to threading.Event.is_set(), which avoids a deprecation warning with Python 3.10.

1.8.0 (2021-01-27)

• Dropped support for Python 3.4.

• [#118](https://github.com/pytest-dev/execnet/issues/118) <https://github.com/pytest-dev/execnet/pull/118>: Fixed internal leak that should make execnet execute remote code in the main thread more often; previously it would sometimes spawn a thread to execute a remote_exec call, even when the caller didn't issue multiple remote_exec calls at the same time. Some frameworks require code to execute in the main thread, so the previous behavior would break them on occasion (see pytest-dev/pytest-xdist#620 <https://github.com/pytest-dev/pytest-xdist/issues/620> for an example).

• [#115](https://github.com/pytest-dev/execnet/issues/115) <https://github.com/pytest-dev/execnet/pull/115>__: Current working directory is now restored when calling script/socketserver.py. The script now also loops by default when called from the command-line.

Commits

• b7a326a Release 1.9.0
• 3dc7b24 Merge pull request #137 from bluetech/rm-apipkg
• f2c0b5d Merge pull request #135 from pytest-dev/pre-commit-ci-update-config
• 55c820c Stop using apipkg
• 22b3cfd Merge pull request #136 from The-Compiler/irc-libera
• a53014b doc: Switch to new IRC channel
• 54602d0 [pre-commit.ci] pre-commit autoupdate
• bb36672 Merge pull request #133 from nicoddemus/release-1.8.1
• 89bd9e1 Update CHANGELOG for 1.8.1
• e970040 Merge pull request #131 from pytest-dev/pre-commit-ci-update-config
• Additional commits viewable in compare view

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