Bump @oclif/core from 3.11.0 to 3.12.0 #1471

Job	Run time
Lint/build code	33s
Run tests (16.14.0, ubuntu-latest, bash, /tmp/jest)	1m 7s
Run tests (16.14.0, macos-latest, bash, /tmp/jest)	3m 50s
Run tests (16.14.0, windows-latest, cmd, C:\\Users\\runneradmin\\AppData\\Local\\Temp\\jest)	2m 29s
Run tests (16.x, ubuntu-latest, bash, /tmp/jest)	1m 3s
Run tests (16.x, macos-latest, bash, /tmp/jest)	1m 28s
Run tests (16.x, windows-latest, cmd, C:\\Users\\runneradmin\\AppData\\Local\\Temp\\jest)	1m 58s
Run tests (18.17.0, ubuntu-latest, bash, /tmp/jest)	1m 8s
Run tests (18.17.0, macos-latest, bash, /tmp/jest)	1m 27s
Run tests (18.17.0, windows-latest, cmd, C:\\Users\\runneradmin\\AppData\\Local\\Temp\\jest)	2m 15s
Run tests (18.x, ubuntu-latest, bash, /tmp/jest)	1m 5s
Run tests (18.x, macos-latest, bash, /tmp/jest)	2m 35s
Run tests (18.x, windows-latest, cmd, C:\\Users\\runneradmin\\AppData\\Local\\Temp\\jest)	2m 41s
Run tests (20.5.0, ubuntu-latest, bash, /tmp/jest)	1m 4s
Run tests (20.5.0, macos-latest, bash, /tmp/jest)	2m 21s
Run tests (20.5.0, windows-latest, cmd, C:\\Users\\runneradmin\\AppData\\Local\\Temp\\jest)	2m 22s
Run tests (20.x, ubuntu-latest, bash, /tmp/jest)	1m 1s
Run tests (20.x, macos-latest, bash, /tmp/jest)	2m 31s
Run tests (20.x, windows-latest, cmd, C:\\Users\\runneradmin\\AppData\\Local\\Temp\\jest)	2m 17s
	35m 15s

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