Add branch name to run-names

- with round brackets around branch name for readability:
(${{ github.ref_name }})

Author: bjornoleh

.github/workflows/build_loop.yml

@@ -1,5 +1,5 @@
 name: 4. Build Loop
-run-name: Build Loop ${{ github.ref_name }}
+run-name: Build Loop (${{ github.ref_name }})
 on:
   workflow_dispatch:
   workflow_call:

.github/workflows/update.yml

@@ -1,4 +1,5 @@
 name: 'Auto-update'
+run-name: Auto-update (${{ github.ref_name }})
 
 # Runs only on schedule for the default branch
 # TARGET_BRANCH should be set as default