Duplicate actions in the CI pipeline (#4552)

* Update CI actions triggers

* Empty commit to trigger CI

* Update the workflows to optimize CI

.github/workflows/test-browser.yml

@@ -1,6 +1,11 @@
 name: Browser tests
 
-on: [pull_request, push]
+on: 
+  push:
+    # We intentionally don't run push on feature branches. See PR for rational. 
+    branches: [unstable, stable]
+  pull_request:
+  workflow_dispatch:
 
 jobs:
   tests-main:

.github/workflows/test-e2e.yml

@@ -1,6 +1,11 @@
 name: E2E tests
 
-on: [pull_request, push]
+on: 
+  push:
+    # We intentionally don't run push on feature branches. See PR for rational. 
+    branches: [unstable, stable]
+  pull_request:
+  workflow_dispatch:
 
 env:
   GOERLI_RPC_DEFAULT_URL: https://goerli.infura.io/v3/84842078b09946638c03157f83405213

.github/workflows/test-sim-merge.yml

@@ -1,6 +1,11 @@
 name: Sim merge tests
 
-on: [pull_request, push]
+on: 
+  push:
+    # We intentionally don't run push on feature branches. See PR for rational. 
+    branches: [unstable, stable]
+  pull_request:
+  workflow_dispatch:
 
 env:
   GETH_COMMIT: be9742721f56eb8bb7ebf4f6a03fb01b13a05408

.github/workflows/test-sim.yml

@@ -1,6 +1,11 @@
 name: Sim tests
 
-on: [pull_request, push]
+on: 
+  push:
+    # We intentionally don't run push on feature branches. See PR for rational. 
+    branches: [unstable, stable]
+  pull_request:
+  workflow_dispatch:
 
 jobs:
   tests-sim:

.github/workflows/test-spec.yml

@@ -1,6 +1,11 @@
 name: Spec tests
 
-on: [pull_request, push]
+on: 
+  push:
+    # We intentionally don't run push on feature branches. See PR for rational. 
+    branches: [unstable, stable]
+  pull_request:
+  workflow_dispatch:
 
 jobs:
   tests-spec:

.github/workflows/test.yml

@@ -1,6 +1,11 @@
 name: Tests
 
-on: [pull_request, push]
+on: 
+  push:
+    # We intentionally don't run push on feature branches. See PR for rational. 
+    branches: [unstable, stable]
+  pull_request:
+  workflow_dispatch:
 
 jobs:
   tests-main: