ci: adds a step to unpin issues that were closed manually

Signed-off-by: Vincent Biret <[email protected]>

Author: baywet

.github/workflows/agenda.yaml

@@ -36,6 +36,10 @@ jobs:
     - name: Close old agenda issues
       run: gh issue list -l ${{ env.LABEL }} --author "app/github-actions" --json number,title | ConvertFrom-Json | Where-Object { $_.title -like "${{ env.TITLE_PREFIX }}*" -and ([datetime]::UtcNow - [datetime]::Parse([regex]::Replace($_.title.Replace("${{ env.TITLE_PREFIX }}", ""), "\([^)]+\)", ""))) -ge [timespan]::FromDays([int]::Parse("${{ env.POST_MEETING_CLOSE_DURATION_IN_DAYS }}"))} | ForEach-Object { gh issue close $_.number && gh issue unpin $_.number }
       shell: pwsh
+    
+    - name: Unpin any issue that was closed manually
+      run: gh issue list -l ${{ env.LABEL }} --author "app/github-actions" --json "number,title,isPinned" -s closed | ConvertFrom-Json | Where-Object { $_.isPinned -eq $true -and $_.title -like "${{ env.TITLE_PREFIX }}*" -and ([datetime]::UtcNow - [datetime]::Parse([regex]::Replace($_.title.Replace("${{ env.TITLE_PREFIX }}", ""), "\([^)]+\)", ""))) -ge [timespan]::FromDays([int]::Parse("${{ env.POST_MEETING_CLOSE_DURATION_IN_DAYS }}"))} | ForEach-Object { gh issue unpin $_.number }
+      shell: pwsh
 
     - name: Create agenda issue
       run: |