Upgrade gdbstub

[mkroening]

No description provided.

[codecov]

Codecov Report

Merging #242 (aa2e986) into master (f68c4e3) will decrease coverage by 0.13%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #242      +/-   ##
==========================================
- Coverage   41.65%   41.52%   -0.14%     
==========================================
  Files          16       16              
  Lines        2470     2478       +8     
==========================================
  Hits         1029     1029              
- Misses       1441     1449       +8     

Impacted Files	Coverage Δ
src/arch/x86_64/registers/debug.rs	0.00% <0.00%> (ø)
src/linux/gdb/mod.rs	0.00% <0.00%> (ø)
src/linux/mod.rs	61.34% <0.00%> (ø)

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[mkroening]

bors r+

[bors]

Build succeeded:

• Build (macos-latest)
• Build (ubuntu-latest)
• Cargo tests (macos-latest)
• Cargo tests (ubuntu-latest)
• Clippy
• Format
• KVM Tests
• Rusty-Hermit Kernel based integration tests