OBS workflows: use configure_repositories

Add openSUSE:Tools to paths list for SLE15 (workaround for bsc#1200148).
Also change the target project back to home:mwilck.

.obs/workflows.yml

@@ -1,6 +1,48 @@
 workflow:
-   steps:
-     - branch_package:
-         source_project: home:mwilck:suse-module-tools
-         source_package: suse-module-tools
-         target_project: home:mwilck:suse-module-tools
+  steps:
+    - branch_package:
+        source_project: home:mwilck:suse-module-tools
+        source_package: suse-module-tools
+        target_project: home:mwilck
+    - configure_repositories:
+        project: home:mwilck
+        repositories:
+          - name: openSUSE_Tumbleweed
+            paths:
+              - target_project: openSUSE:Factory
+                target_repository: snapshot
+            architectures:
+              - x86_64
+              - i586
+          - name: openSUSE_Leap_15.4
+            paths:
+              - target_project: openSUSE:Tools
+                target_repository: 15.4
+              - target_project: openSUSE:Leap:15.4
+                target_repository: standard
+            architectures:
+              - x86_64
+          - name: SLE_15_SP4
+            paths:
+              - target_project: openSUSE:Tools
+                target_repository: 15.4
+              - target_project: SUSE:SLE-15-SP4:GA
+                target_repository: pool
+            architectures:
+              - x86_64
+              - s390x
+              - ppc64le
+              - aarch64
+          - name: SLE_15_SP3
+            paths:
+              - target_project: openSUSE:Tools
+                target_repository: 15.3
+              - target_project: SUSE:SLE-15-SP3:GA
+                target_repository: pool
+            architectures:
+              - x86_64
+              - s390x
+              - ppc64le
+              - aarch64
+  filters:
+    event: pull_request