feat(stdlib): add safe Slice.asAddress function

[i582]

Issue

Closes #1736.
Towards #369.

Checklist

• I have updated CHANGELOG.md
• I have run all the tests locally and no test failure was reported
• I have run the linter, formatter and spellchecker
• I did not do unrelated and/or undiscussed refactorings

[novusnota]

Doing edits related to re-entrance of the exit code 136, I'll be swift

[novusnota]

Snapshots failed, updating those in a moment.

A brief summary: I've re-introduced the exit code 136 and made it a bit more specific: to validate the standard address, i.e. addr_std. This removes the limitations of chain IDs described in #369 and narrows the scope of currently supported inhabitants of Address type to just addr_std, with the possibility to add addr_none and, potentially, addr_extern.

[jeshecdom]

Docs and tests LGTM