Fix retrieve_tagconf_dir and retrieve_tagfile_dir functions

[anutosh491]

Description

Please include a summary of changes, motivation and context for this PR.

Type of change

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• Bug fix
• New feature
• Added/removed dependencies
• Required documentation updates

[anutosh491]

As simple cout statements here can show

xeus-cpp/src/xinspect.hpp

Lines 125 to 126 in 53d2f64

	std::string tagconf_dir = retrieve_tagconf_dir();
	std::string tagfiles_dir = retrieve_tagfile_dir();

That the paths we are using are wrong. We just got lucky here as I think as only the last bit of the file path is being used.

[github-actions]

clang-tidy review says "All clean, LGTM! 👍"

[github-actions]

clang-tidy review says "All clean, LGTM! 👍"

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.72%. Comparing base (232e345) to head (e99c79a).
⚠️ Report is 131 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #228   +/-   ##
=======================================
  Coverage   80.72%   80.72%           
=======================================
  Files          19       19           
  Lines         970      970           
  Branches       93       93           
=======================================
  Hits          783      783           
  Misses        187      187           

Files with missing lines	Coverage Δ
src/xutils.cpp	80.43% <100.00%> (ø)

Files with missing lines	Coverage Δ
src/xutils.cpp	80.43% <100.00%> (ø)

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