Fix icon and url

Author: Peter-Sh

.github/actions/common/func.sh

@@ -340,7 +340,7 @@ slack_format_docker_image_urls_message() {
         )
         as $items
         | {
-            icon_url: ":redis-circle:",
+            icon_emoji: ":redis-circle:",
             text: ("🐳 Docker Images Published for Redis: " + $release_tag),
             blocks: [
                 {
@@ -384,7 +384,7 @@ slack_format_docker_PR_message() {
 # Create Slack message payload
     cat << EOF
 {
-"icon_url": ":redis-circle:",
+"icon_emoji": ":redis-circle:",
 "text": "🐳 Docker Library PR created for Redis: $release_tag",
 "blocks": [
     {

.github/workflows/release_publish.yml

@@ -115,7 +115,7 @@ jobs:
 
             Release commit: ${{ steps.parse-release.outputs.release_commit_sha }}
             Release tag: v${{ steps.parse-release.outputs.release_version }}
-            Compare: ${{ env.GITHUB_SERVER_URL }}/${{ env.GITHUB_REPOSITORY }}/compare/v${{ steps.parse-release.outputs.release_version }}^1...v${{ steps.parse-release.outputs.release_version }}
+            Compare: ${{ github.server_url }}/${{ github.repository }}/compare/v${{ steps.parse-release.outputs.release_version }}^1...v${{ steps.parse-release.outputs.release_version }}
 
             ${{ env.PR_USER_MENTIONS }}