onetbb/2020.x: remove -Werror, fix static cross-compilation

[valgur]

• Resolves [package] onetbb/2020.3: Fails to compile with gcc-13 #23390

[AbrilRBS]

Curius v2 error, wondering why it didn't fail in precious PRs 🤔

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 4 (d2b88f662f8b43b873ac104494b431cf3658bf91):

• onetbb/2020.3.3:
  All packages built successfully! (All logs)

• onetbb/2020.3:
  All packages built successfully! (All logs)

• onetbb/2020.2:
  All packages built successfully! (All logs)

• onetbb/2020.0:
  All packages built successfully! (All logs)

• onetbb/2019_u9:
  All packages built successfully! (All logs)

• onetbb/2020.1:
  All packages built successfully! (All logs)

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