Infer values across notebook cells

[ericvergnaud]

Changes

When linting python code, infer values using not only code from current cell but also code from previous cells

Linked issues

Progresses #1912 Progresses #1205

Functionality

None

Tests

• [x] manually tested
• [x] added unit tests

Resolved 60 out of 891 "cannot be computed" advices when running make solacc

[github-actions[bot]]

✅ 95/95 passed, 21 skipped, 4h24m48s total

_{Running from acceptance #4249}