Bump rake_git_crypt from 0.1.0.pre.26 to 0.1.0.pre.28

Bumps rake_git_crypt from 0.1.0.pre.26 to 0.1.0.pre.28.

---
updated-dependencies:
- dependency-name: rake_git_crypt
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -96,7 +96,7 @@ GEM
       colored2 (~> 3.1)
       git (~> 1.13, >= 1.13.2)
       rake_factory (= 0.32.0.pre.2)
-    rake_git_crypt (0.1.0.pre.26)
+    rake_git_crypt (0.1.0.pre.28)
       colored2 (~> 3.1)
       rake_factory (= 0.32.0.pre.2)
       ruby_git_crypt (= 0.1.0.pre.2)