Do not run several CI jobs on forks

Closes: rectorphp/rector#9790

Author: simonschaufi

.github/workflows/claude_issue_fixer.yaml

@@ -12,6 +12,9 @@ permissions:
 
 jobs:
     pick-and-fix:
+        # Don't run on forks.
+        if: github.repository == 'rectorphp/rector-src'
+
         runs-on: ubuntu-latest
         timeout-minutes: 30
 

.github/workflows/lock.yaml

@@ -7,6 +7,8 @@ on:
 
 jobs:
     lock:
+        # Don't run on forks.
+        if: github.repository == 'rectorphp/rector-src'
         runs-on: ubuntu-latest
 
         steps:

.github/workflows/stale.yaml

@@ -7,6 +7,8 @@ on:
 
 jobs:
     stale:
+        # Don't run on forks.
+        if: github.repository == 'rectorphp/rector-src'
         runs-on: ubuntu-latest
         steps:
             - uses: actions/stale@v10