Bump m from 1.6.2 to 1.7.0

Bumps [m](https://github.com/qrush/m) from 1.6.2 to 1.7.0.
- [Release notes](https://github.com/qrush/m/releases)
- [Commits](qrush/m@v1.6.2...v1.7.0)

---
updated-dependencies:
- dependency-name: m
  dependency-version: 1.7.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -170,9 +170,8 @@ GEM
     loofah (2.24.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    m (1.6.2)
-      method_source (>= 0.6.7)
-      rake (>= 0.9.2.2)
+    m (1.7.0)
+      rake
     mail (2.9.0)
       logger
       mini_mime (>= 0.1.1)