ci: paginate compare API when listing release contributors (#12913)

Co-authored-by: Claude Opus 5.5 (1M context) <[email protected]>

.github/workflows/github_release.yml

@@ -79,14 +79,11 @@ jobs:
           START: v${{ steps.version.outputs.current_release }}-rc0
           END: ${{ github.ref_name }}
         run: |
-          JQ_EXPR='[.commits[].author.login]
-            | map(select(. != null and . != "HaystackBot" and . != "dependabot[bot]" and . != "github-actions[bot]"))
-            | unique
-            | sort_by(ascii_downcase)
-            | map("@\(.)")
-            | join(", ")'
-          CONTRIBUTORS=$(gh api "repos/deepset-ai/haystack/compare/$START...$END" \
-            --jq "$JQ_EXPR") || { echo "Unable to fetch contributors"; exit 1; }
+          # --paginate applies --jq per page, so dedupe and join after collecting all pages
+          CONTRIBUTORS=$(set -o pipefail; gh api --paginate "repos/deepset-ai/haystack/compare/$START...$END?per_page=100" \
+            --jq '.commits[].author.login | select(. != null)' \
+            | grep -vxE 'HaystackBot|dependabot\[bot\]|github-actions\[bot\]' \
+            | sort -fu | sed 's/^/@/' | paste -sd, - | sed 's/,/, /g') || { echo "Unable to fetch contributors"; exit 1; }
 
           {
             echo ""