chore(deps): remove dependabot commit prefix

Author: matoous

.github/dependabot.yml

@@ -6,21 +6,18 @@ updates:
       interval: "weekly"
     open-pull-requests-limit: 5
     commit-message:
-      prefix: chore
       include: scope
   - package-ecosystem: "composer"
     directory: "/"
     schedule:
       interval: "weekly"
     open-pull-requests-limit: 5
     commit-message:
-      prefix: chore
       include: scope
   - package-ecosystem: "gomod"
     directory: "/codegen"
     schedule:
       interval: "weekly"
     open-pull-requests-limit: 5
     commit-message:
-      prefix: chore
       include: scope