First part of scope cleanup

[oxisto]

• Renamed BlockScope to LocalScope
• Removed LoopScope
• Removed TryScope
• Removed SwitchScope
• Introduced a new NamespaceScope that is specific to namespaces, to differentiate between namespaces and records

[codecov]

Codecov Report

Attention: Patch coverage is 72.72727% with 6 lines in your changes missing coverage. Please review.

Project coverage is 76.50%. Comparing base (d40f4eb) to head (150ad6a).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...ain/kotlin/de/fraunhofer/aisec/cpg/ScopeManager.kt	66.66%	1 Missing and 3 partials ⚠️
...fraunhofer/aisec/cpg/frontends/golang/GoHandler.kt	50.00%	0 Missing and 1 partial ⚠️
...fer/aisec/cpg/frontends/python/StatementHandler.kt	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
...de/fraunhofer/aisec/cpg/graph/scopes/LocalScope.kt	100.00% <100.00%> (ø)
.../de/fraunhofer/aisec/cpg/graph/scopes/NameScope.kt	80.00% <100.00%> (ø)
...raunhofer/aisec/cpg/graph/scopes/NamespaceScope.kt	100.00% <100.00%> (ø)
...tlin/de/fraunhofer/aisec/cpg/graph/scopes/Scope.kt	84.28% <100.00%> (+2.34%)	⬆️
...isec/cpg/graph/scopes/StructureDeclarationScope.kt	81.25% <100.00%> (-1.11%)	⬇️
...er/aisec/cpg/graph/scopes/ValueDeclarationScope.kt	50.00% <100.00%> (ø)
...fraunhofer/aisec/cpg/frontends/golang/GoHandler.kt	73.52% <50.00%> (-2.23%)	⬇️
...fer/aisec/cpg/frontends/python/StatementHandler.kt	84.61% <50.00%> (ø)
...ain/kotlin/de/fraunhofer/aisec/cpg/ScopeManager.kt	81.69% <66.66%> (+1.13%)	⬆️

... and 1 file with indirect coverage changes

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[maximiliankaul]

Reading the code looks good. No major concerns. I'll have to play with this branch a bit to get an understanding of these changes before I click "approve", though.