fix tag build

Signed-off-by: Jayadeep KM <kmjayadeep@gmail.com>

Author: kmjayadeep

.github/workflows/docker-build.yml

@@ -43,7 +43,7 @@ jobs:
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
             type=semver,pattern={{major}}
-            type=sha,prefix={{branch}}-
+            type=sha,prefix=sha-
             type=raw,value=latest,enable={{is_default_branch}}
 
       - name: Build and push Docker image