fix(test): decouple unit from e2e test workflows

.github/workflows/test-e2e.yml

@@ -26,4 +26,4 @@ jobs:
 
     - name: e2e Tests
       run: | 
-        make test
+        make test-e2e

.github/workflows/test-unit.yaml

@@ -0,0 +1,29 @@
+name: Unit Testing
+
+permissions:
+  contents: read
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+    # milestoned is added here as a workaround for release-please not triggering PR workflows (PRs should be added to a milestone to trigger the workflow).
+    types: [milestoned, opened, reopened, synchronize]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+    - name: Setup golang
+      uses: ./.github/actions/golang
+
+    - name: Display Go version
+      run: go version
+
+    - name: Unit Tests
+      run: | 
+        make test-unit