Bump bundler-audit from 0.6.1 to 0.7.0.1

Bumps [bundler-audit](https://github.com/postmodern/bundler-audit) from 0.6.1 to 0.7.0.1.
- [Release notes](https://github.com/postmodern/bundler-audit/releases)
- [Changelog](https://github.com/rubysec/bundler-audit/blob/master/ChangeLog.md)
- [Commits](rubysec/bundler-audit@v0.6.1...v0.7.0.1)

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

Author: dependabot-preview[bot]

Gemfile.lock

@@ -77,9 +77,9 @@ GEM
       sass (~> 3.2)
     brakeman (4.8.2)
     builder (3.2.4)
-    bundler-audit (0.6.1)
+    bundler-audit (0.7.0.1)
       bundler (>= 1.2.0, < 3)
-      thor (~> 0.18)
+      thor (>= 0.18, < 2)
     carrierwave (0.10.0)
       activemodel (>= 3.2.0)
       activesupport (>= 3.2.0)
@@ -345,7 +345,7 @@ GEM
     therubyracer (0.12.3)
       libv8 (~> 3.16.14.15)
       ref
-    thor (0.20.3)
+    thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
     ttfunk (1.6.2.1)