Bump anyhow from 1.0.71 to 1.0.100

Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.71 to 1.0.100.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](dtolnay/anyhow@1.0.71...1.0.100)

---
updated-dependencies:
- dependency-name: anyhow
  dependency-version: 1.0.100
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -13,7 +13,7 @@ categories = ["command-line-utilities"]
 travis-ci = { repository = "allenap/firstaide", branch = "master" }
 
 [dependencies]
-anyhow = "1.0.71"
+anyhow = "1.0.100"
 atty = "0.2.14"
 bincode = "1.3.3"
 bstr = "0.2.17"