Bump anyhow from 1.0.34 to 1.0.39

[dependabot]

Bumps anyhow from 1.0.34 to 1.0.39.

Release notes

Sourced from anyhow's releases.

1.0.39

• Add an opt-in implementation of Error::backtrace on stable compilers based on the backtrace crate (#143)

  [dependencies]
  anyhow = { version = "1.0", features = ["backtrace"] }

1.0.38

• Support using anyhow::Error in code executed by Miri (#134, thanks @​thomcc)

1.0.37

• Improve compiler diagnostic on calling macro with a temporary value (#133)

1.0.36

• Make anyhow::Error ABI compatible with void* for round tripping through a C FFI (#132)

1.0.35

• Support 1-argument use of ensure! (#126)

  ensure!(depth <= MAX_DEPTH);
  // error msg on a false condition would be "Condition failed: `depth <= MAX_DEPTH`"

Commits

• 8599c7b Release 1.0.39
• d65af36 Merge pull request #143 from dtolnay/backtrace
• 0ba6408 Add stable backtrace feature
• 7e85bae Merge pull request #142 from dtolnay/backtrace
• a476ec4 Indicate a doc_cfg on the Error backtrace() method
• fea4d8a Eliminate some needlessly cfg'd Backtrace imports
• 1631007 Ignore new missing_panics_doc pedantic clippy lint
• 3626541 Merge pull request #137 from dtolnay/cast
• 3fdef75 Revert "Show turbofish optional"
• 4e776b8 Force turbofish on all calls of .cast::<U>()
• Additional commits viewable in compare view

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