Update messages

Author: vjern

.github/workflows/create-release.yml

@@ -60,8 +60,9 @@ jobs:
         uses: slackapi/slack-github-action@v1.24.0
         with:
           channel-id: ${{ vars.SLACK_CHANNEL_ID }}
-          slack-message: |
-            <@channel> New release *v${{ inputs.version }}* triggered by <${{ github.server_url }}/${{ github.actor }}|${{ github.actor }}> :rocket:
+          slack-message: |-
+            <@channel>
+            Release *v${{ inputs.version }}* is on the way :rocket: <${{ github.server_url }}/${{ github.actor }}|@${{ github.actor }}> | <${{ github.ref }}|commit>)
         env:
           SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
 

.github/workflows/post-release.yml

@@ -118,7 +118,8 @@ jobs:
         env:
           SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
           ON_SUCCESS: |-
-            <@channel> *${{ env.VERSION_NAME }}* has been published to PyPI :python: :tada:
+            <@channel>
+            *${{ env.VERSION_NAME }}* has been published to PyPI ! :python: :tada:
             <${{ steps.github-release.outputs.url }}|Release notes> | <https://pypi.org/project/giskard/${{ env.VERSION_NUMBER }}|PyPI>
           ON_FAILURE: |-
             "<@channel> Release ${{ env.VERSION_NAME }} failed on post-release :cross: