refactor(ci): extract common test steps into run-tests composite action

Author: tobyhede

.github/actions/run-tests/action.yml

@@ -0,0 +1,11 @@
+name: Run Tests
+description: Setup and run the test suite (requires checkout first)
+
+runs:
+  using: composite
+  steps:
+    - uses: ./.github/actions/setup-test
+    - run: mise run postgres:up --extra-args "--detach --wait"
+      shell: bash
+    - run: mise run --output prefix test
+      shell: bash

.github/workflows/test.yml

@@ -37,9 +37,7 @@ jobs:
       PG_VERSION: 17
     steps:
       - uses: actions/checkout@v4
-      - uses: ./.github/actions/setup-test
-      - run: mise run postgres:up --extra-args "--detach --wait"
-      - run: mise run --output prefix test
+      - uses: ./.github/actions/run-tests
       - uses: ./.github/actions/send-slack-notification
         with:
           channel: engineering
@@ -59,9 +57,7 @@ jobs:
       PG_VERSION: ${{ matrix.pg_version }}
     steps:
       - uses: actions/checkout@v4
-      - uses: ./.github/actions/setup-test
-      - run: mise run postgres:up --extra-args "--detach --wait"
-      - run: mise run --output prefix test
+      - uses: ./.github/actions/run-tests
       - uses: ./.github/actions/send-slack-notification
         with:
           channel: engineering