Gate Dependabot repair workflows to Dependabot-authored PRs (#6)

Author: Copilot

.github/workflows/dependabot-repair-reusable.lock.yml

@@ -27,6 +27,7 @@ on:
 inlined-imports: true
 
 permissions: read-all
+if: github.event.pull_request.user.login == 'dependabot[bot]'
 
 tools:
   github:
@@ -55,9 +56,7 @@ safe-outputs:
 
 ## Scope
 
-Only act on PRs authored by `dependabot[bot]`.
-
-If not, use `noop`.
+This workflow runs only for PRs authored by `dependabot[bot]`.
 
 ## Mission
 

.github/workflows/dependabot-repair-reusable.md

@@ -5,6 +5,7 @@ on:
     types: [opened, synchronize, reopened]
 
 permissions: read-all
+if: github.event.pull_request.user.login == 'dependabot[bot]'
 
 tools:
   github:
@@ -33,9 +34,7 @@ safe-outputs:
 
 ## Scope
 
-Only act on PRs authored by `dependabot[bot]`.
-
-If not, use `noop`.
+This workflow runs only for PRs authored by `dependabot[bot]`.
 
 ## Mission