Update schedule-monthly-PREV.yml

updating actions/github-script@v6 --> v7 per #5899

.github/workflows/schedule-monthly-PREV.yml

@@ -12,7 +12,7 @@ jobs:
 
       # gets a list of website-write team members with no open issues, returns a list of member's github handles
       - name: Get List
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         id: get-list
         with:
           github-token: ${{ secrets.HACKFORLA_BOT_PA_TOKEN }}
@@ -23,7 +23,7 @@ jobs:
 
       # creates a new issue in hackforla/website repo with the list populated above. creates a project card linking to this issue
       - name: Create New Issue
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         id: create-new-issue
         with:
           github-token: ${{ secrets.HACKFORLA_BOT_PA_TOKEN }}
@@ -35,7 +35,7 @@ jobs:
 
       # comments on issue #2607, notifying leads that the above issue has been created
       - name: Comment Issue
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         id: comment-issue
         with:
           github-token: ${{ secrets.HACKFORLA_BOT_PA_TOKEN }}