Change PPC wheel builder image to have C++17 compatible compiler

[mlxd]

Context: The current wheel-builder image uses an older compiler toolkit without full-featured C++17 support. This PR updates the wheelbuilder image to use a modern compiler toolkit.

Description of the Change: Change the wheel-builder image for ppc64le wheels.

Benefits: Allow compilation of ppc64le wheel

Possible Drawbacks: None

Related GitHub Issues: #119

[github-actions]

Hello. You may have forgotten to update the changelog!
Please edit .github/CHANGELOG.md with:

• A one-to-two sentence description of the change. You may include a small working example for new features.
• A link back to this PR.
• Your name (or GitHub username) in the contributors section.

[codecov]

Codecov Report

Merging #120 (18498c6) into master (a1bb111) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #120   +/-   ##
=======================================
  Coverage   98.14%   98.14%           
=======================================
  Files           3        3           
  Lines          54       54           
=======================================
  Hits           53       53           
  Misses          1        1           

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[github-actions]

Test Report (C++) on Ubuntu

    1 files  ±0      1 suites  ±0   0s ⏱️ ±0s
118 tests ±0  118 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
370 runs  ±0  370 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 2b26841. ± Comparison against base commit 2b26841.

♻️ This comment has been updated with latest results.

[trbromley]

🎸