build-docker.yml: Revert to runner ubuntu-20.04

Signed-off-by: Tobias Knöppler <6317548+theCalcaholic@users.noreply.github.com>

.github/workflows/build-docker.yml

@@ -27,7 +27,7 @@ on:
 jobs:
   build:
     if: ${{ github.repository == 'nextcloud/nextcloudpi' }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     env:
       VERSION: "${{ inputs.git_ref || github.ref }}"
       ARCH: "${{ inputs.arch || 'x86' }}"
@@ -39,6 +39,10 @@ jobs:
     steps:
       - name: Setup Docker Buildx
         uses: docker/setup-buildx-action@v2
+#      - name: setup binfmt
+#        run: |
+#          sudo apt-get install binfmt-support qemu-user-static
+#
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
@@ -71,7 +75,7 @@ jobs:
     if: ${{ inputs.arch != 'armhf' }}
     needs:
       - build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     env:
       VERSION: "${{ inputs.git_ref || github.ref }}"
       ARCH: "${{ inputs.arch || 'x86' }}"
@@ -390,7 +394,7 @@ jobs:
   test:
     needs:
       - build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     env:
       VERSION: "${{ inputs.git_ref || github.ref }}"
       ARCH: "${{ inputs.arch || 'x86' }}"

updates/v1.51.5.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+source /usr/local/etc/library.sh
+
+set_app_param nc-backup-auto BACKUPHOUR 3