Bump trix from 2.1.7 to 2.1.8

Bumps [trix](https://github.com/basecamp/trix) from 2.1.7 to 2.1.8.
- [Release notes](https://github.com/basecamp/trix/releases)
- [Commits](basecamp/trix@v2.1.7...v2.1.8)

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

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

package.json

@@ -32,7 +32,7 @@
     "stimulus-flatpickr": "^1.4.0",
     "stimulus_reflex": "3.5.1",
     "tom-select": "^2.3.1",
-    "trix": "^2.1.7",
+    "trix": "^2.1.8",
     "turbo_power": "^0.7.0",
     "webpack": "~4"
   },

yarn.lock

@@ -8892,10 +8892,10 @@ tr46@^2.1.0:
   dependencies:
     punycode "^2.1.1"
 
-trix@^2.1.7:
-  version "2.1.7"
-  resolved "https://registry.yarnpkg.com/trix/-/trix-2.1.7.tgz#239dc3fbba87ce30eea44286ea09865c7fbab10f"
-  integrity sha512-RyFmjLJfxP2nuAKqgVqJ40wk4qoYfDQtyi71q6ozkP+X4EOILe+j5ll5g/suvTyMx7BacGszNWzjnx9Vbj17sw==
+trix@^2.1.8:
+  version "2.1.8"
+  resolved "https://registry.yarnpkg.com/trix/-/trix-2.1.8.tgz#b9383af8cd9c1a0a0818d6b4e0c9e771bf7fd564"
+  integrity sha512-y1h5mKQcjMsZDsUOqOgyIUfw+Z31u4Fe9JqXtKGUzIC7FM9cTpxZFFWxQggwXBo18ccIKYx1Fn9toVO5mCpn9g==
 
 ts-pnp@^1.1.6:
   version "1.2.0"