chore(.clang-tidy): adds bugprone-unchecked-optional-access check

[zulfaqar-azmi-t4]

Description

Add checks for optional access
https://clang.llvm.org/extra/clang-tidy/checks/bugprone/unchecked-optional-access.html

For example with the PR, the following will give a warning

std::optional<int> opt_var;

auto var = *opt_var; // accessing-optional without any checks might cause error on runtime

Tests performed

Not applicable.

Effects on system behavior

Not applicable.

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[xmfcx]

Thanks!