ci: Use main branch name in workflow configurations (#64)

Author: playpauseandstop

.github/workflows/ci.yml

@@ -6,10 +6,10 @@ name: "CI"
 
 on:
   push:
-    branches: ["master"]
+    branches: ["main"]
     tags: ["*"]
   pull_request:
-    branches: ["master"]
+    branches: ["main"]
 
 jobs:
   build:
@@ -56,7 +56,7 @@ jobs:
   deploy:
     needs: ["build"]
     name: "Push Docker image to the Docker Hub"
-    if: "${{ github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/') }}"
+    if: "${{ github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/') }}"
 
     runs-on: "ubuntu-latest"
 

.github/workflows/release_tag.yml

@@ -29,7 +29,7 @@ jobs:
 
       - uses: "actions/checkout@v3.0.2"
         with:
-          ref: "master"
+          ref: "main"
           token: "${{ steps.token.outputs.token }}"
 
       - name: "Install Python"