fix: add FAUCET_PRIVATE_KEY to stacks-blockchain-api env (#1071) #2378

Job	Run time
Cancel previous runs	6s
Build Clarity REPL Distribution	7m 29s
Audit and format	1m 18s
Build Clarinet Distributions (ubuntu-latest, linux, x86_64-unknown-linux-gnu, x64, glibc)	22m 48s
Build Clarinet Distributions (windows-latest, windows, x86_64-pc-windows-msvc, x64)	45m 39s
Build Clarinet Distributions (macos-latest, darwin, x86_64-apple-darwin, x64)	30m 18s
Build Clarinet Distributions (macos-latest, darwin, aarch64-apple-darwin, arm64)	33m 55s
Get Release Info	5s
Build Stacks Devnet JS Distributions (ubuntu-latest, linux, x86_64-unknown-linux-gnu, x64, glibc)	12m 14s
Build Stacks Devnet JS Distributions (windows-latest, windows, x86_64-pc-windows-msvc, x64)	22m 38s
Build Stacks Devnet JS Distributions (macos-latest, darwin, x86_64-apple-darwin, x64)	17m 7s
Build Stacks Devnet JS Distributions (macos-latest, darwin, aarch64-apple-darwin, arm64)	16m 20s
Build Stacks Devnet JS Distributions (ubuntu-latest, linux, x86_64-unknown-linux-musl, x64, musl)	18m 48s
Create Clarinet Docker Image	23m 49s
Release	0s
	4h 12m 34s

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