main to master in workflow

.gitea/workflows/docker-build.yaml

@@ -4,12 +4,12 @@ run-name: ${{ gitea.actor }} is building and pushing a Docker Image
 on:
   push:
     branches:
-      - main
+      - master
       - staging
       - dev
   pull_request:
     branches:
-      - main
+      - master
       - staging
       - dev
 
@@ -24,7 +24,7 @@ jobs:
       - name: Set Docker tag based on branch
         id: tag
         run: |
-          if [[ "${{ gitea.ref_name }}" == "main" ]]; then
+          if [[ "${{ gitea.ref_name }}" == "master" ]]; then
             TAG="latest"
           elif [[ "${{ gitea.ref_name }}" == "staging" ]]; then
             TAG="staging"