Unify repository based on https://github.com/rerun-io/rerun_template/ · rerun-io/ewebsock@b9ea862

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions-rs/toolchain@v1, actions/cache/restore@v3, actions-rs/cargo@v1, baptiste0928/cargo-install@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions-rs/toolchain@v1, actions-rs/cargo@v1, baptiste0928/cargo-install@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

the MSRV in `clippy.toml` and `Cargo.toml` differ; using `1.73.0` from `clippy.toml`

`echo_server` (bin "echo_server") generated 1 warning (1 duplicate)

`example_app` (lib test) generated 1 warning (1 duplicate)

`example_app` (bin "example_app") generated 1 warning (1 duplicate)

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