Limit actions to main

.github/workflows/bump-date.yml

 
 jobs:
   bump_date:
+    name: Bump Distribution Date
+    if: github.repository == 'MarlinFirmware/Marlin'
 
     runs-on: ubuntu-latest
 
     - name: Bump Distribution Date
       run: |
         # Inline Bump Script
-        [[ "$GITHUB_REPOSITORY" == "MarlinFirmware/Marlin" ]] || exit 0
         DIST=$( date +"%Y-%m-%d" )
         eval "sed -E -i 's/(#define +STRING_DISTRIBUTION_DATE) .*$/\1 \"$DIST\"/g' Marlin/src/inc/Version.h" && \
         git config user.name "${GITHUB_ACTOR}" && \

.github/workflows/check-pr.yml

 
 jobs:
   bad_target:
-
     name: PR Bad Target
+    if: github.repository == 'MarlinFirmware/Marlin'
+
     runs-on: ubuntu-latest
 
     steps:

.github/workflows/close-stale.yml

 # Close open issues after a period of inactivity
 #
 
-name: "Close stale issues"
+name: Close Stale Issues
 
 on:
   schedule:
 
 jobs:
   stale:
+    name: Close Stale Issues
+    if: github.repository == 'MarlinFirmware/Marlin'
+
     runs-on: ubuntu-latest
+
     steps:
     - uses: actions/stale@v3
       with:

.github/workflows/lock-closed.yml

 # Lock closed issues after a period of inactivity
 #
 
-name: 'Lock threads'
+name: Lock Closed Issues
 
 on:
   schedule:
 
 jobs:
   lock:
+    name: Lock Closed Issues
+    if: github.repository == 'MarlinFirmware/Marlin'
+
     runs-on: ubuntu-latest
+
     steps:
     - uses: dessant/lock-threads@v2
       with:

.github/workflows/test-builds.yml

 
 jobs:
   test_builds:
+    name: Run All Tests
+    if: github.repository == 'MarlinFirmware/Marlin'
 
     runs-on: ubuntu-latest
 

.github/workflows/unlock-reopened.yml

     types: [reopened]
 
 jobs:
-  lock:
+  unlock:
+    name: Unlock Reopened
+    if: github.repository == 'MarlinFirmware/Marlin'
+
     runs-on: ubuntu-latest
+
     steps:
     - uses: OSDKDev/unlock-issues@v1.1
       with: