Bump bagit from 0.4.5 to 0.4.6

Bumps [bagit](https://github.com/flazz/bagit) from 0.4.5 to 0.4.6.
- [Commits](https://github.com/flazz/bagit/commits)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -27,7 +27,7 @@ GEM
       public_suffix (>= 2.0.2, < 6.0)
     amazing_print (1.4.0)
     ast (2.4.2)
-    bagit (0.4.5)
+    bagit (0.4.6)
       docopt (~> 0.5.0)
       validatable (~> 1.6)
     base64 (0.1.1)