Fix the lack of the previous release in the docs switcher list

[JanuszL]

• the previous release was not added to the docs switcher and it
  is lacking on the docs selection list

Category:

Bug fix (non-breaking change which fixes an issue)

Description:

• the previous release was not added to the docs switcher and it
  is lacking on the docs selection list

Additional information:

Affected modules and functionalities:

• switcher.json generation if the conf.py

Key points relevant for the review:

• NA

Tests:

• Existing tests apply
• New tests added
  • Python tests
  • GTests
  • Benchmark
  • Other
• N/A

Checklist

Documentation

• Existing documentation applies
• Documentation updated
  • Docstring
  • Doxygen
  • RST
  • Jupyter
  • Other
• N/A

DALI team only

Requirements

• Implements new requirements
• Affects existing requirements
• N/A

REQ IDs: N/A

JIRA TASK: N/A

[JanuszL]

!build

[dali-automaton]

CI MESSAGE: [18571692]: BUILD STARTED

[JanuszL]

For example, it should add missing 1.40 to

[dali-automaton]

CI MESSAGE: [18571692]: BUILD FAILED

[dali-automaton]

CI MESSAGE: [18571692]: BUILD PASSED