Bump actions/setup-go from 4 to 5

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 4 to 5.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v4...v5)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/tests.yml

@@ -46,7 +46,7 @@ jobs:
       DB_WRITE_URL: postgres://gorm:gorm@localhost:5432/sharding-write-test
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: "1.20"
         id: go
@@ -103,7 +103,7 @@ jobs:
       DB_WRITE_URL: root:gorm@tcp(127.0.0.1:3306)/sharding-write-test?charset=utf8mb4&parseTime=True&loc=Local
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: "1.20"
         id: go
@@ -160,7 +160,7 @@ jobs:
       DB_WRITE_URL: root:gorm@tcp(127.0.0.1:3306)/sharding-write-test?charset=utf8mb4&parseTime=True&loc=Local
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: "1.20"
         id: go