Merge pull request #1234 from dagu-org/update-doc

doc: remove deprecated field name in the doc

docs/features/executors/shell.md

@@ -153,7 +153,7 @@ steps:
       
   # Working directory
   - name: in-directory
-    dir: /app/src
+    workingDir: /app/src
     command: npm install
 ```
 

docs/reference/yaml.md

@@ -223,10 +223,6 @@ steps:
   - name: custom-dir
     workingDir: /custom        # Override DAG workingDir
     command: pwd               # Outputs: /custom
-  
-  - name: also-custom
-    dir: /another              # Alternative to workingDir
-    command: pwd               # Outputs: /another
 ```
 
 ### Queue Configuration

docs/writing-workflows/basics.md

@@ -251,11 +251,11 @@ Set where commands execute:
 ```yaml
 steps:
   - name: in-project
-    dir: /home/user/project
+    workingDir: /home/user/project
     command: python main.py
     
   - name: in-data
-    dir: /data/input
+    workingDir: /data/input
     command: ls -la
 ```
 

docs/writing-workflows/data-variables.md

@@ -14,7 +14,7 @@ env:
   - SOME_FILE: ${SOME_DIR}/some_file 
 steps:
   - name: task
-    dir: ${SOME_DIR}
+    workingDir: ${SOME_DIR}
     command: python main.py ${SOME_FILE}
 ```
 

docs/writing-workflows/examples.md

@@ -582,7 +582,7 @@ env:
   - API_KEY: ${SECRET_API_KEY}
 steps:
   - name: task
-    dir: ${SOME_DIR}
+    workingDir: ${SOME_DIR}
     command: python main.py ${SOME_FILE}
 ```
 
@@ -858,7 +858,7 @@ Run multi-line scripts.
 ```yaml
 steps:
   - name: step in specific directory
-    dir: /path/to/working/directory
+    workingDir: /path/to/working/directory
     command: pwd && ls -la
 ```