docs: align workflow examples with OUTPUT_FILENAME

Use a job-level OUTPUT_FILENAME and reference it in content-filepath
so examples stay in sync.

Signed-off-by: Venu Vardhan Reddy Tekula <venuvrtekula@gmail.com>

Author: vchrombie

README.md

@@ -119,6 +119,8 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       issues: write
+    env:
+      OUTPUT_FILENAME: contributors.md
 
     steps:
       - name: Get dates for last month
@@ -148,7 +150,7 @@ jobs:
         with:
           title: Monthly contributor report
           token: ${{ secrets.GITHUB_TOKEN }}
-          content-filepath: ./contributors.md
+          content-filepath: ./${{ env.OUTPUT_FILENAME }}
           assignees: <YOUR_GITHUB_HANDLE_HERE>
 ```
 
@@ -170,6 +172,8 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       issues: write
+    env:
+      OUTPUT_FILENAME: contributors.md
 
     steps:
       - name: Get dates for last month
@@ -204,7 +208,7 @@ jobs:
         with:
           title: Monthly contributor report
           token: ${{ secrets.GITHUB_TOKEN }}
-          content-filepath: ./contributors.md
+          content-filepath: ./${{ env.OUTPUT_FILENAME }}
           assignees: <YOUR_GITHUB_HANDLE_HERE>
 ```
 

env.py

@@ -103,7 +103,7 @@ def get_env_vars(
         token (str): The GitHub token to use for authentication
         ghe (str): The GitHub Enterprise URL to use for authentication
         start_date (str): The start date to get contributor information from
-        end_date (str): The end date to get contributor information to.
+        end_date (str): The end date to get contributor information to
         sponsor_info (str): Whether to get sponsor information on the contributor
         link_to_profile (str): Whether to link username to Github profile in markdown output
         output_filename (str): The output filename for the markdown report