feat: Fork dtolnay/rust-toolchain

[NickLarsenNZ]

Fork the rust action from dtolnay/rust-toolchain#154.

• Removed .github/ folder
• Move remaining files into rust-toolchain/ subfolder
• Merge into stackabletech/actions to preserve history

Prepare for the fork on a branch of dtolnay/rust-toolchain:

cdg get dtolnay/rust-toolchain
cd dtolnay/rust-toolchain
git remote add techassi https://github.com/Techassi/rust-toolchain.git
git fetch
git checkout pin-rustup-version # 27692022648f361619d253a8a151146657aeb2e9
git rm .github/
mkdir rust-toolchain # the directory we want it to appear in under stackabletech/actions
git mv action.yml LICENSE scripts README.md rust-toolchain
git commit -m "chore: Prepare for forking to stackabletech/actions" -S

Merge the history into stackabletech/actions:

cd stackabletech/actions
git checkout -b dtolnay/rust-toolchain
git remote add dtolnay/rust-toolchain ../../dtolnay/rust-toolchain
git merge dtolnay/rust-toolchain/prepare-migration --allow-unrelated-histories
git push

[stackable-bot]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
0 out of 7 committers have signed the CLA.

❌ dtolnay
❌ Mon-ius
❌ alex
❌ phsym
❌ dariocurr
❌ siketyan
❌ joe-p
_{You have signed the CLA already but the status is still pending? Let us recheck it.}