Changed automation release branch to master

Author: Enriquez Garcia Juan Antonio (IFAG DES TCP EDS)

.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
       with:
-        ref: xmc4400
+        ref: master
     - uses: actions/setup-python@v1
       with:
         python-version: '3.x'