Docfix ComputeBondiIntegrand<Tags::PoleOfIntegrand<Tags::BondiH>>

[duetosymmetry]

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Proposed changes

The documentation for ComputeBondiIntegrand<Tags::PoleOfIntegrandTags::BondiH>
had a one-character typo, where W should have been H.

Upgrade instructions

Code review checklist

• The code is documented and the documentation renders correctly. Run
  make doc to generate the documentation locally into BUILD_DIR/docs/html.
  Then open index.html.
• The code follows the stylistic and code quality guidelines listed in the
  code review guide.
• The PR lists upgrade instructions and is labeled bugfix or
  new feature if appropriate.

Further comments

[knelli2]

No clue why clang-tidy failed but it's in the STL and unrelated to this PR so I'll ignore it