Use event data to reference repo info in workflows

.github/workflows/main.yml

@@ -128,7 +128,7 @@ jobs:
         run: >
           gh release create ${{ github.ref_name }} DiscordChatExporter.Cli.zip DiscordChatExporter.zip
           --title ${{ github.ref_name }}
-          --notes "[Changelog](https://github.com/Tyrrrz/DiscordChatExporter/blob/master/Changelog.md)"
+          --notes "[Changelog](${{ github.event.repository.html_url }}/blob/${{ github.ref_name }}/Changelog.md)"
           --verify-tag
 
   notify:
@@ -147,5 +147,5 @@ jobs:
             Content-Type: application/json; charset=UTF-8
           body: |
             {
-              "content": "**DiscordChatExporter** new version released!\nVersion: `${{ github.ref_name }}`\nChangelog: <https://github.com/Tyrrrz/DiscordChatExporter/blob/${{ github.ref_name }}/Changelog.md>"
+              "content": "**${{ github.event.repository.name }}** new version released!\nVersion: `${{ github.ref_name }}`\nChangelog: <${{ github.event.repository.html_url }}/blob/${{ github.ref_name }}/Changelog.md>"
             }