Update multiversion requirement from 0.6.1 to 0.7.3

Updates the requirements on [multiversion](https://github.com/calebzulawski/multiversion) to permit the latest version.
- [Release notes](https://github.com/calebzulawski/multiversion/releases)
- [Changelog](https://github.com/calebzulawski/multiversion/blob/master/CHANGELOG.md)
- [Commits](calebzulawski/multiversion@0.6.1...0.7.3)

---
updated-dependencies:
- dependency-name: multiversion
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

arrow/Cargo.toml

@@ -63,7 +63,7 @@ flatbuffers = { version = "2.1.2", default-features = false, features = ["thiser
 comfy-table = { version = "6.0", optional = true, default-features = false }
 pyo3 = { version = "0.17", default-features = false, optional = true }
 lexical-core = { version = "^0.8", default-features = false, features = ["write-integers", "write-floats", "parse-integers", "parse-floats"] }
-multiversion = { version = "0.6.1", default-features = false }
+multiversion = { version = "0.7.3", default-features = false }
 bitflags = { version = "1.2.1", default-features = false }
 zstd = { version = "0.11.1", default-features = false, optional = true }