🔨 Prevent two [cron] in a row

.github/workflows/bump-date.yml

@@ -7,7 +7,7 @@ name: Bump Distribution Date
 
 on:
   schedule:
-    - cron: '0 0 * * *'
+    - cron: '0 */6 * * *'
 
 jobs:
   bump_date:
@@ -26,6 +26,7 @@ jobs:
     - name: Bump Distribution Date
       run: |
         # Inline Bump Script
+        if [[ ! "$( git log -1 --pretty=%B )" =~ ^\[cron\] ]]; then
           DIST=$( date +"%Y-%m-%d" )
           eval "sed -E -i 's/(#define +STRING_DISTRIBUTION_DATE) .*$/\1 \"$DIST\"/g' Marlin/src/inc/Version.h" && \
           eval "sed -E -i 's/(#define +STRING_DISTRIBUTION_DATE) .*$/\1 \"$DIST\"/g' Marlin/Version.h" && \
@@ -34,3 +35,4 @@ jobs:
           git add . && \
           git commit -m "[cron] Bump distribution date ($DIST)" && \
           git push
+        fi