linux_and_macos.yml: Let make continue on errors to improve reporting

Author: hartwork

.github/workflows/linux_and_macos.yml

@@ -150,7 +150,7 @@ jobs:
 
       - name: '[LV] Run "make"'
         run: |-
-          make -C build_lv -j2 VERBOSE=1
+          make -C build_lv -j2 -k VERBOSE=1
 
       - name: '[LV] Run "make install"'
         run: |-
@@ -185,7 +185,7 @@ jobs:
         run: |-
           set -x -o pipefail
 
-          make -C build_plugins -j2 VERBOSE=1
+          make -C build_plugins -j2 -k VERBOSE=1
 
           # Detect and deny underlinking
           ! find -name \*.so | sort | xargs ldd -r | grep -F 'undefined symbol'