ci: run new e2e test

.github/workflows/e2e-tests.yaml

@@ -0,0 +1,44 @@
+name: End-to-end tests
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:  
+  e2e:
+    strategy:
+      fail-fast: false
+      matrix:
+        el-contracts:
+          # Mainnet version isn't used because of compile errors
+          - ref: v0.3.3-mainnet-rewards
+            version: v0.3.3
+          # Newest testnet release
+          - ref: slashing-magnitudes
+            version: v1.0.3
+
+    name: End-to-end test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: nightly
+
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+
+      - uses: ko-build/[email protected]
+
+      - name: Run end-to-end test
+        run: |
+          export EL_REF=${{ matrix.el-contracts.ref }}
+          export EL_VERSION=${{ matrix.el-contracts.version }}
+          ./scripts/e2e_test.sh