Try this

Author: jrfnl

.github/workflows/pr-comment.yml

@@ -54,32 +54,27 @@ jobs:
                archive_format: 'zip',
             });
 
-            const fs = require('fs');
-            const path = require('path');
-            const temp = '${{ runner.temp }}/artifacts';
-            if (!fs.existsSync(temp)){
-              fs.mkdirSync(temp);
-            }
-            fs.writeFileSync(path.join(temp, 'pr_info.zip'), Buffer.from(download.data));
+            const fs = require( 'fs' );
+            fs.writeFileSync( '${{ github.workspace }}/pr_info.zip', Buffer.from( download.data ) )
 
       - name: Unzip PR info artifact
-        run: unzip pr_info.zip -d "${{ runner.temp }}/artifacts"
+        run: unzip pr_info.zip
 
       - name: "DEBUG: show dir layout"
-        run: ls -aohR "${{ runner.temp }}/artifacts"
+        run: ls -aohR "${{ github.workspace }}"
 
       - name: Read PR number
         id: pr_number
         shell: bash
         run: |
-          value=$(<"${{ runner.temp }}/artifacts/pr_number")
+          value=$(<"${{ github.workspace }}/pr/pr_number")
           echo "PR_NR=$value" >> "$GITHUB_OUTPUT"
 
       - name: Read Wiki artifact URL
         id: artifact_url
         shell: bash
         run: |
-          value=$(<"${{ runner.temp }}/artifacts/artifact_url")
+          value=$(<"${{ github.workspace }}/pr/artifact_url")
           echo "URL=$value" >> "$GITHUB_OUTPUT"
 
       - name: "DEBUG: show grabbed PR nr"