fix(exec): Whitelist LC_ALL and LANG (#5239)

lib/util/exec/env.ts

test/execUtil.ts

test/manager/bundler/__snapshots__/artifacts.spec.ts.snap

test/manager/cargo/__snapshots__/artifacts.spec.ts.snap

test/manager/composer/__snapshots__/artifacts.spec.ts.snap

test/manager/gomod/__snapshots__/artifacts.spec.ts.snap

test/manager/gradle/__snapshots__/index.spec.ts.snap

test/manager/mix/__snapshots__/artifacts.spec.ts.snap

test/manager/pip_setup/__snapshots__/extract.spec.ts.snap

test/manager/pip_setup/__snapshots__/index.spec.ts.snap

test/manager/pipenv/__snapshots__/artifacts.spec.ts.snap

test/manager/poetry/__snapshots__/artifacts.spec.ts.snap

test/util/env.spec.ts

test/util/exec.spec.ts

...orkers/branch/lock-files/__snapshots__/lerna.spec.ts.snap

.../workers/branch/lock-files/__snapshots__/npm.spec.ts.snap

...workers/branch/lock-files/__snapshots__/pnpm.spec.ts.snap

...workers/branch/lock-files/__snapshots__/yarn.spec.ts.snap