build(deps): bump the ci group with 2 updates

Bumps the ci group with 2 updates: [actions/setup-go](https://github.com/actions/setup-go) and [slsa-framework/slsa-github-generator](https://github.com/slsa-framework/slsa-github-generator).


Updates `actions/setup-go` from 4.0.1 to 4.1.0
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](https://github.com/actions/setup-go/compare/fac708d6674e30b6ba41289acaab6d4b75aa0753...93397bea11091df50f3d7e59dc26a7711a8bcfbe)

Updates `slsa-framework/slsa-github-generator` from 1.7.0 to 1.8.0
- [Release notes](https://github.com/slsa-framework/slsa-github-generator/releases)
- [Changelog](https://github.com/slsa-framework/slsa-github-generator/blob/main/CHANGELOG.md)
- [Commits](https://github.com/slsa-framework/slsa-github-generator/compare/v1.7.0...v1.8.0)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: ci
- dependency-name: slsa-framework/slsa-github-generator
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: ci
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/e2e-bootstrap.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
       - name: Setup Go
-        uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
+        uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
           go-version: 1.20.x
           cache-dependency-path: |