Add a build workflow to detect flakiness (#2374)

* Add flake-detector workflow

This workflow runs the same tests 5 times to figure out if there is any flakiness in the tests.

.github/workflows/flake-detector.yml

@@ -0,0 +1,41 @@
+name: Flake detector
+on:
+  # Enable triggering the workflow manually
+  workflow_dispatch:
+  push:
+    branches: [ "master" ]
+
+jobs:
+  codecov:
+    runs-on: ubuntu-latest
+    timeout-minutes: 75
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: 1.23.x
+          cache: false
+      - name: Install fuse
+        run: sudo apt-get update && sudo apt-get install -y fuse3 libfuse-dev
+      - name: Build
+        run: |
+          CGO_ENABLED=0 go build ./...
+          go install ./tools/build_gcsfuse
+          build_gcsfuse . /tmp ${GITHUB_SHA}
+
+      - name: Download dependencies
+        run: go mod download
+
+      - name: Test all except caching parallely
+        run: CGO_ENABLED=0 go test  -count 5 -skip `cat flaky_tests.lst | go run tools/scripts/skip_tests/main.go` `go list ./... | grep -v internal/cache/...`
+
+      - name: Test caching
+        run: CGO_ENABLED=0 go test -p 1 -count 5 -v -skip `cat flaky_tests.lst | go run tools/scripts/skip_tests/main.go` ./internal/cache/...
+
+      - name: Cache RaceDetector Test
+        run: CGO_ENABLED=0 go test -p 1 -count 5 ./internal/cache/...