Add CallGraphFromTo queries for all supported languages (#168)

* Add CallGraphFromTo queries for all supported languages

- Add CallGraphFromTo.ql for cpp, csharp, go, java, javascript, python, ruby, swift
- Each query supports sourceFunction and targetFunction external predicates
- Include documentation (.md) and test suites with expected outputs
- Update QL pack dependencies to latest versions
- Fix go PrintAST query for compatibility with v2.25.0
- Fix java PrintCFG query for compatibility with v2.25.0

Closes #164

* Fixes for failing PR checks

- Syncs "server/dist/**"
- Applies "codeql query format" rules for all server/ql/**/*.ql files
- Fixes formatting of markdown text in query markdown docs
- Addresses other PR review feedback for #168

* Fix Go call graph query tests and VSIX packaging

Go query test fixes:
- Add go.mod to CallGraphFromTo, CallGraphFrom, CallGraphTo test dirs
  (Go extractor requires module file for proper extraction)
- Add main() function to all Go Example1.go test files
- Fix fallback filter in all 3 Go call graph queries:
  getParentContainer().getParentContainer().getBaseName() = "test"
  → getFile().getBaseName() = "Example1.go"
- Update all Go .expected files with non-empty results (4-5 rows each)

VSIX packaging fix:
- Add .tmp/** to .vscodeignore (was bundling 177MB of test databases)
- VSIX size: 71.48MB → 788KB

* Migrate external to extensible predicates w/ dataExtensions

Replace `external string` declarations with `extensible predicate` syntax
across all 8 languages, enabling YAML-based data extensions for testing
instead of fragile fallback hacks.

Architecture:
- Add ExternalPredicates.qll per language with shared extensible predicate
  declarations (sourceFunction, targetFunction, selectedSourceFiles)
- Add dataExtensions YAML files in test/*/ext/ directories providing
  test values for each query's external predicates
- Add dataExtensions glob to all test pack codeql-pack.yml files
- Remove all "Fallback for unit tests" or clauses from queries

This means:
- Tests now exercise the actual external predicate logic path
- No more path-based hacks (getParentContainer().getBaseName() = "test")
- CallGraphFromTo tests produce precise source→target results
- New queries only need a .model.yml file, not query modifications

* Address PR review feedback

* Fix for client integration tests on Windows

* More Windows OS compatibility fixes

* Fix: use 'extensible predicates' wording and codeql-pack.yml comments per review feedback

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Co-authored-by: data-douser <70299490+data-douser@users.noreply.github.com>

* Fix: use exact @0.0.0 version in --model-packs; filter empty entries from comma-split inputs

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* Sync package-lock.json && server/dist/**

* Re-add server/dist/**

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Author: data-douser

.prettierignore

@@ -17,5 +17,6 @@ extensions/vscode/test/fixtures/
 node_modules
 query-results*
 server/dist/
+server/ql/*/tools/test/*
 workshops/
 

extensions/vscode/.vscodeignore

@@ -16,6 +16,7 @@ esbuild.config.js
 coverage/**
 
 # Build artifacts that shouldn't be in the VSIX
+.tmp/**
 **/*.test.ts
 **/*.test.js
 **/*.test.cjs