update minimal workflows

Signed-off-by: GuillaumeFalourd <guillaume.falourd@zup.com.br>

.github/workflows/macos_action_test.yml

@@ -9,6 +9,7 @@ on:
 jobs:
   macos-minimal:
     runs-on: macos-latest
+    if: github.event_name != 'push'
     steps:
       - uses: actions/checkout@v2.3.4
       - run: date > reports/macos_report_minimal.txt

.github/workflows/ubuntu_action_test.yml

@@ -9,6 +9,7 @@ on:
 jobs:
   ubuntu-minimal:
     runs-on: ubuntu-latest
+    if: github.event_name != 'push'
     steps:
       - uses: actions/checkout@v2.3.4
       - run: date > reports/ubuntu_report_minimal.txt

.github/workflows/windows_action_test.yml

@@ -9,6 +9,7 @@ on:
 jobs:
   windows-minimal:
     runs-on: windows-latest
+    if: github.event_name != 'push'
     steps:
       - uses: actions/checkout@v2.3.4
       - run: date > reports/windows_report_minimal.txt