changed tests always are flagged as affected tests

.github/workflows/build-test.yaml

@@ -47,6 +47,19 @@ jobs:
       - uses: actions/checkout@v5
       - uses: ./.github/actions/setup-go
 
+      - name: Cache Go build and modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cache/go-build
+            ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+
+      - name: Go mod download
+        run: go mod download
+
       - name: Check go mod tidy
         run: |
           go mod tidy
@@ -91,6 +104,19 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - uses: ./.github/actions/setup-go
+
+      - name: Cache Go build and modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cache/go-build
+            ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+
+      - name: Go mod download
+        run: go mod download
       - run: make build
       - uses: actions/upload-artifact@v4
         with:

.github/workflows/regression-test.yaml

@@ -2,7 +2,7 @@ name: Regression Test Suite
 
 on:
   push:
-    branches: [main, v1beta3]
+    branches: [main]
   workflow_dispatch:
     inputs:
       update_baselines: