test: add small authentication server and test .netrc handling

[wolfv]

No description provided.

[wolfv]

reflink doesn't look so good in Windows CI?

2024-01-30T22:22:18.5825224Z 2024-01-30T22:22:18.567852Z  WARN validating{path=C:\Users\RUNNER~1\AppData\Local\Temp\.tmpnN4xBk\ros-noetic-rosbridge-suite-0.11.14-py39h6fdeb60_14}: rattler::package_cache: failed to download and extract http://localhost:57014/ros-noetic-rosbridge-suite-0.11.14-py39h6fdeb60_14.tar.bz2 to C:\Users\RUNNER~1\AppData\Local\Temp\.tmpnN4xBk\ros-noetic-rosbridge-suite-0.11.14-py39h6fdeb60_14: Request error: HTTP status server error (500 Internal Server Error) for url (http://localhost:57014/ros-noetic-rosbridge-suite-0.11.14-py39h6fdeb60_14.tar.bz2). Retry #1, Sleeping 1.417309941s until the next attempt...
2024-01-30T22:22:18.7359586Z 2024-01-30T22:22:18.724162Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\api-ms-win-core-debug-l1-1-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.7363770Z 2024-01-30T22:22:18.725093Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\api-ms-win-core-console-l1-2-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.7389632Z 2024-01-30T22:22:18.724478Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\api-ms-win-core-console-l1-1-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.7395120Z 2024-01-30T22:22:18.726401Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\api-ms-win-core-datetime-l1-1-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.7399754Z 2024-01-30T22:22:18.727391Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\api-ms-win-core-errorhandling-l1-1-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.7628994Z 2024-01-30T22:22:18.759595Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\api-ms-win-core-fibers-l1-1-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.7915006Z 2024-01-30T22:22:18.791000Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\Library/bin/api-ms-win-core-synch-l1-1-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.7925730Z 2024-01-30T22:22:18.791110Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\api-ms-win-crt-process-l1-1-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.7940586Z 2024-01-30T22:22:18.791882Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\Library/bin/api-ms-win-core-console-l1-2-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.7961012Z 2024-01-30T22:22:18.792235Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\Library/bin/api-ms-win-crt-environment-l1-1-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.7997222Z 2024-01-30T22:22:18.792301Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\api-ms-win-crt-heap-l1-1-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.8026103Z 2024-01-30T22:22:18.792315Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\api-ms-win-core-file-l2-1-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.
2024-01-30T22:22:18.8106660Z 2024-01-30T22:22:18.792368Z DEBUG rattler::install::link: failed to reflink C:\Users\RUNNER~1\AppData\Local\Temp\.tmpWGhoD4\api-ms-win-crt-environment-l1-1-0.dll: Incorrect function. (os error -2147024895), falling back to hard linking.

[wolfv]

I finally also figured out how the new syntax for the axum server should look like so we can also update the other small servers in the repo to use the latest axum. I can do that in another PR.