Make sure that we always use the correct operator-sdk version

[kevinearls]

Signed-off-by: Kevin Earls kearls@redhat.com

Which problem is this PR solving?

• Make sure we always use the correct version of the operator-sdk in builds. Suggested in chat by @pavolloffay.
• I can open an issue if needed.

Short description of the changes

• Added a Makefile target to install the operator-sdk, mostly copied from Pavol's equivalent change to the open-telemetry collector:

[pavolloffay]

The operator-sdk installing step should be removed from the GHA workflows

[pavolloffay]

The project is using 1.13.1

[codecov]

Codecov Report

Merging #1766 (a0d19bb) into main (81fdc96) will not change coverage.
The diff coverage is n/a.

❗ Current head a0d19bb differs from pull request most recent head 5abd300. Consider uploading reports for the commit 5abd300 to get more accurate results

@@           Coverage Diff           @@
##             main    #1766   +/-   ##
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  Coverage   87.51%   87.51%           
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  Files          99       99           
  Lines        5937     5937           
=======================================
  Hits         5196     5196           
  Misses        567      567           
  Partials      174      174           

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[kevinearls]

Mucked this up locally, closing to resubmit...