ci:(deps): bump actions/setup-go from 4 to 6

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 4 to 6.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v4...v6)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
           - 5432:5432
     steps:
       - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
-      - uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c
         with:
           go-version: '1.24'
       - run: go mod tidy

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup Go
-        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c
         with:
           go-version: '1.23'