Fixing asan error on mpmc queue

[MaciejKaszynski]

Fixes the ASAN error with the MPMCConcurrentQueue
#241

Using manual padding instead of alignas so that ASAN's fake stack can correctly.
Setting the alignment on the class itself didn't fix the asan error as it would just set the alignment for the class itself.

[github-actions]

License Check Results

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[License Check Output]
Extracting Bazel installation...
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INFO: Invocation ID: 30de95e0-ecb6-422a-a061-1dcd5ba4f890
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Analyzing: target //:license-check (29 packages loaded, 10 targets configured)

Analyzing: target //:license-check (84 packages loaded, 10 targets configured)

Analyzing: target //:license-check (137 packages loaded, 2708 targets configured)

Analyzing: target //:license-check (147 packages loaded, 5438 targets configured)

Analyzing: target //:license-check (157 packages loaded, 8094 targets configured)

Analyzing: target //:license-check (157 packages loaded, 8094 targets configured)

Analyzing: target //:license-check (159 packages loaded, 8220 targets configured)

INFO: Analyzed target //:license-check (162 packages loaded, 10232 targets configured).
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INFO: Found 1 target...
Target //:license.check.license_check up-to-date:
  bazel-bin/license.check.license_check
  bazel-bin/license.check.license_check.jar
INFO: Elapsed time: 20.895s, Critical Path: 2.50s
INFO: 16 processes: 12 internal, 3 processwrapper-sandbox, 1 worker.
INFO: Build completed successfully, 16 total actions
INFO: Running command line: bazel-bin/license.check.license_check ./formatted.txt <args omitted>
usage: org.eclipse.dash.licenses.cli.Main [-batch <int>] [-cd <url>]
       [-confidence <int>] [-ef <url>] [-excludeSources <sources>] [-help] [-lic
       <url>] [-project <shortname>] [-repo <url>] [-review] [-summary <file>]
       [-timeout <seconds>] [-token <token>]

[github-actions]

The created documentation from the pull request is available at: docu-html

[VukPavicRTRK]

Nice fix for the ASan false positive. One thing to call out: CacheLinePaddedAtomic<T> preserves cache-line size but not cache-line alignment, so it weakens the original false-sharing guarantee provided by alignas(CacheLineSize). At minimum, the comments on m_head, m_tail, and m_stopped should be updated since they're no longer strictly "aligned on their own cache line."