refactor(woodpecker): improve commit message handling for payload preparation

- Redirected commit messages to a temporary file to handle special characters safely.
- Adjusted jq payload process for better reliability.

.woodpecker.yml

@@ -100,7 +100,10 @@ steps:
     commands:
       - apk add --no-cache curl jq
       - |
-        PAYLOAD=$(printf '%s' "${CI_COMMIT_MESSAGE}" | jq -Rs \
+        # Schreibe Commit-Message in Datei (sicher gegen Shell-Sonderzeichen)
+        printf '%s\n' "$CI_COMMIT_MESSAGE" > /tmp/commit_msg.txt
+
+        PAYLOAD=$(cat /tmp/commit_msg.txt | jq -Rs \
           --arg title "✅ Build #${CI_BUILD_NUMBER} - Success" \
           --arg repo "${CI_REPO}" \
           --arg branch "${CI_COMMIT_BRANCH}" \
@@ -138,7 +141,10 @@ steps:
     commands:
       - apk add --no-cache curl jq
       - |
-        PAYLOAD=$(printf '%s' "${CI_COMMIT_MESSAGE}" | jq -Rs \
+        # Schreibe Commit-Message in Datei (sicher gegen Shell-Sonderzeichen)
+        printf '%s\n' "$CI_COMMIT_MESSAGE" > /tmp/commit_msg.txt
+
+        PAYLOAD=$(cat /tmp/commit_msg.txt | jq -Rs \
           --arg title "❌ Build #${CI_BUILD_NUMBER} - Failure" \
           --arg repo "${CI_REPO}" \
           --arg branch "${CI_COMMIT_BRANCH}" \