Bump tinymce-rails from 6.8.3 to 7.0.0

Bumps [tinymce-rails](https://github.com/spohlenz/tinymce-rails) from 6.8.3 to 7.0.0.
- [Release notes](https://github.com/spohlenz/tinymce-rails/releases)
- [Commits](spohlenz/tinymce-rails@v6.8.3...v7.0.0)

---
updated-dependencies:
- dependency-name: tinymce-rails
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Gemfile.lock

@@ -256,7 +256,7 @@ GEM
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.7.3)
-    rack (2.2.8.1)
+    rack (2.2.9)
     rack-cas (0.16.1)
       addressable (~> 2.3)
       nokogiri (~> 1.5)
@@ -304,7 +304,7 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0)
     rainbow (3.1.1)
-    rake (13.1.0)
+    rake (13.2.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -412,7 +412,7 @@ GEM
     tilt (2.3.0)
     timeliness (0.4.5)
     timeout (0.4.1)
-    tinymce-rails (6.8.3)
+    tinymce-rails (7.0.0)
       railties (>= 3.1.1)
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)