Update upload-artifact github action (#1386) · matrix-org/sytest@edfab12

FAILURE: #317: remote user has push rules copied to upgraded room

FAILURE: #319: /upgrade moves remote aliases to the new room

FAILURE: #328: Local and remote users' homeservers remove a room from their public directory on upgrade

FAILURE: #563: remote user has tags copied to the new room

FAILURE: #583: Can recv device messages over federation

FAILURE: #695: New federated private chats get full presence information (SYN-115)

Process completed with exit code 1.

Process completed with exit code 1.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v2. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

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