add pr branch name to github action fail messages (#1550)

.github/workflows/beekeeper.yml

@@ -175,7 +175,7 @@ jobs:
           if ${{ steps.pss.outcome=='failure' }}; then FAILED=pss; fi
           if ${{ steps.soc.outcome=='failure' }}; then FAILED=soc; fi
           KEYS=$(curl -sSf -X POST https://eu.relay.tunshell.com/api/sessions)
-          curl -sSf -X POST -H "Content-Type: application/json" -d "{\"text\": \"**${RUN_TYPE}**\nFailed -> \`${FAILED}\`\nDebug -> \`sh <(curl -sSf https://lets.tunshell.com/init.sh) L $(echo $KEYS | jq -r .peer2_key) \${TUNSHELL_SECRET} eu.relay.tunshell.com\`\"}" https://beehive.ethswarm.org/hooks/${{ secrets.WEBHOOK_KEY }}
+          curl -sSf -X POST -H "Content-Type: application/json" -d "{\"text\": \"**${RUN_TYPE}** ${{ github.head_ref }}\nFailed -> \`${FAILED}\`\nDebug -> \`sh <(curl -sSf https://lets.tunshell.com/init.sh) L $(echo $KEYS | jq -r .peer2_key) \${TUNSHELL_SECRET} eu.relay.tunshell.com\`\"}" https://beehive.ethswarm.org/hooks/${{ secrets.WEBHOOK_KEY }}
           echo "Failed test: ${FAILED}"
           echo "Connect to github actions node using"
           echo "sh <(curl -sSf https://lets.tunshell.com/init.sh) L $(echo $KEYS | jq -r .peer2_key) \${TUNSHELL_SECRET} eu.relay.tunshell.com"