The 'vendor/holesky/public-keys/all.txt' file is not used by Nimbus,
but sometimes fails to download due to payment issues in `@eth-clients`.
Skipping the download of that file should reduce that risk.
```
Downloading public-keys/all.txt (240 MB)
Error downloading object: public-keys/all.txt (ba977b5): Smudge error: Error downloading public-keys/all.txt (ba977b5b1da180914c934623fce187860e1b54cff939e6208533b2cb5f589e07): batch response: This repository is over its data quota. Account responsible for LFS bandwidth should purchase more data packs to restore access.
```
* bump nbs: Patch libnatpmp.a rule to support llvm-mingw in targets.mk
* bump nbs: Allow passing config to submodule initialization in `update-common`
Changes:
- Name local testnet output folders same as the `make` taget.
- Move both `Jenkinsfile`s to `ci` folder to avoid cluttering repo root.
- Separate builds by platform so logs from macos and linux hosts don't get mixed.
- Detect platform and architecture from Jenkins Job path to use one Jenkinsfile.
- Divide shell commands into as many stages as possible to make debugging easier.
- Generalize running testnets via a `launchLocalTestnet()` Groovy method.
- Handle uploading of results of running testnets stage-by-stage basis.
- Use `catchError()` to upload test results while marking job as failed.
- Abort previously started PR build jobs usin `disableConcurrentBuilds()`.
- Throttle jobs using the new `throttleJobProperty()` function.
Builds:
- https://ci.status.im/job/nimbus/job/nimbus-eth2/job/platforms/job/linux/job/x86_64/
- https://ci.status.im/job/nimbus/job/nimbus-eth2/job/platforms/job/macos/job/x86_64/
- https://ci.status.im/job/nimbus/job/nimbus-eth2/job/platforms/job/macos/job/aarch64/
Signed-off-by: Jakub Sokołowski <jakub@status.im>
Etan Kissling
Jakub Sokołowski