Bump actions/setup-go from 3 to 4 (#116)

* Bump actions/setup-go from 3 to 4

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 3 to 4.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](https://github.com/actions/setup-go/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

* Don't explicitly enable cache for `actions/setup-go`

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Joshua Spence <josh@spence.com.au>

.github/workflows/generate.yaml

@@ -9,9 +9,7 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - uses: "actions/checkout@v3.3.0"
-      - uses: "actions/setup-go@v3"
-        with:
-          cache: true
+      - uses: "actions/setup-go@v4"
 
       # TODO: Automatically merge the PR if tests pass.
       - run: "go generate unifi/fields.go"