Add inline and goto qualifier support to __asm__ declarations

[Copilot]

GCC's asm inline and asm goto qualifiers were silently rejected by CDT's parser. Additionally, the existing volatile qualifier was consumed but never stored, making it inaccessible via the AST API.

__asm__ inline ("nop");   // previously: parse error
__asm__ goto ("nop");     // previously: parse error
__asm__ volatile ("nop"); // previously: parsed but qualifier not queryable

Description

Changes

• IASTASMDeclaration — New API (@since 9.3): isVolatile()/setVolatile(), isInline()/setInline(), isGoto()/setGoto()
• CASTASMDeclaration / CPPASTASMDeclaration — Store all three qualifier flags; propagate through copy()
• AbstractGNUSourceCodeParser.asmDeclaration() — Parse qualifiers in a loop (any order, consistent with GCC); pass flags through to buildASMDirective()
• DeclarationWriter — Emit qualifier keywords when rewriting ASM declarations
• GCCCompleteParseExtensionsTest — New test testAsmInlineGotoQualifiers covering all qualifiers individually and combined for both C and C++ parsers
• META-INF/MANIFEST.MF — Bumped Bundle-Version from 9.3.200.qualifier to 9.4.0.qualifier to reflect the new public API additions

Checklist:

• Review contribution guidelines, particularly the Pull Request Flow
• Add an entry to New and Noteworthy for this releases
• Add an entry to API Changelog for any breaking changes
• Add an entry to API Changelog for future planned breaking changes
• Add an automated JUnit Plug-in test

[github-actions]

Test Results

4 719 tests  +1   4 710 ✅ +1   2m 29s ⏱️ -3s
  182 suites ±0       9 💤 ±0 
  182 files   ±0       0 ❌ ±0 

Results for commit 44d2599. ± Comparison against base commit acd4556.

[github-actions]

Test Results

  182 files  ± 0    182 suites  ±0   2m 30s ⏱️ -2s
4 719 tests + 1  4 710 ✅ + 1  9 💤 ±0  0 ❌ ±0 
4 708 runs   - 10  4 699 ✅  - 10  9 💤 ±0  0 ❌ ±0 

Results for commit 44d2599. ± Comparison against base commit acd4556.

[strimo378]

@copilot Fix run 25583771422

[Copilot]

@copilot Fix run 25583771422

Fixed in commit 5db0aaf. The CI failure had two causes:

1. @since 9.4 tags were invalid — changed to @since 9.3 (the current version)
2. Bundle-Version needed its minor version incremented since new APIs were added — bumped from 9.3.200.qualifier to 9.4.0.qualifier