new(gha): enable UndefinedBehaviorSanitizer

[LucaGuerra]

What type of PR is this?

Uncomment one (or more) /kind <> lines:

/kind feature

Any specific area of the project related to this PR?

Uncomment one (or more) /area <> lines:

/area CI

Does this PR require a change in the driver versions?

No

What this PR does / why we need it:

This enables UBSan for tests. Please note that it's a work in progress until we are sure it works.
EDIT: it works with no warnings with the current state of the repo, so it's out of wip!

Which issue(s) this PR fixes:

Fixes #1470

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[LucaGuerra]

Enforcement is not enabled yet. The following warnings were identified by the GHA run:

• 2024-02-12T15:32:15.5043419Z /__w/libs/libs/userspace/libsinsp/container.cpp:303:58: runtime error: load of value 3200171710, which is not a valid value for type 'sinsp_container_type'
• 2024-02-12T15:32:15.5046109Z /__w/libs/libs/userspace/libsinsp/container_info.h:37:44: runtime error: load of value 3200171710, which is not a valid value for type 'sinsp_container_type'
• 2024-02-12T15:32:15.5048629Z /usr/include/c++/8/tuple:1668:70: runtime error: load of value 3200171710, which is not a valid value for type 'sinsp_container_type'

In sinsp_with_test_input.CLONE_CHILD_check_event_tinfo:

• 2024-02-12T15:32:24.6114438Z /__w/libs/libs/userspace/libsinsp/parsers.cpp:1706:47: runtime error: load of value 190, which is not a valid value for type 'bool'
• 2024-02-12T15:32:24.6116431Z /__w/libs/libs/userspace/libsinsp/parsers.cpp:1708:50: runtime error: load of value 190, which is not a valid value for type 'bool'
• 2024-02-12T15:32:24.6117803Z /__w/libs/libs/userspace/libsinsp/parsers.cpp:1710:49: runtime error: load of value 190, which is not a valid value for type 'bool'

In fspath.mkdir:

• 2024-02-12T15:32:24.6571001Z /__w/libs/libs/userspace/libsinsp/sinsp_filtercheck.cpp:454:27: runtime error: load of misaligned address 0x60400001e96c for type 'int64_t', which requires 8 byte alignment
  2024-02-12T15:32:24.6572639Z 0x60400001e96c: note: pointer points here
  2024-02-12T15:32:24.6573572Z 00 00 08 00 00 00 00 00 00 00 00 00 be be be be be be be 00 00 00 00 00 03 00 00 00 00 00 00 04
  2024-02-12T15:32:24.6574473Z ^

[LucaGuerra]

/milestone 0.15.0

[LucaGuerra]

I have removed the wip. After the CI passes I think we can merge this.

[FedeDP]

/approve
LOVE THIS ONE

[poiana]

LGTM label has been added.

Git tree hash: 75f6b7f4a0e0f9e521eb80d2a7e97cd440e5fa29

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: FedeDP, leogr, LucaGuerra

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