feat: no longer ask teh user to enter their own username

.forgejo/workflows/push.yaml

@@ -25,6 +25,6 @@ jobs:
         uses: https://forgejo.skynet.ie/Skynet/actions/deploy_user@v5
         with:
           ssh_key: ${{ secrets.SSH_KEY }}
-          username: ${{ secrets.USERNAME }}
+          username: ${{ env.GITHUB_REPOSITORY_OWNER }}
           folder: "src"
           #destination: "subfolder"

README.md

@@ -7,12 +7,10 @@ Details to do this can be found here: [wiki](https://wiki.skynet.ie/tutorials/sk
 It is recommended to create a new key for just Forgejo Actions.
 
 ## Secrets
-Two secrets must be added to make this work.
+One secret must be added to make this work.
 
 Secrets are found in your repo under ``Settings > Actions > Secrets``
 
-* USERNAME
-  * This is your skynet username
 * SSH_KEY
   * This is your private key that was generated above