CI: use go 1.26.4

Author: System-Glitch

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: ["1.25.8", "1.26"]
+        go: ["1.25.8", "1.26.4"]
     steps:
       - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
@@ -23,7 +23,7 @@ jobs:
       - name: Run tests
         run: |
           go test -v -race -coverprofile=coverage.txt -covermode=atomic -coverpkg=./... ./...
-      - if: ${{ matrix.go == '1.26' }}
+      - if: ${{ matrix.go == '1.26.4' }}
         uses: shogo82148/actions-goveralls@v1
         with:
           path-to-profile: coverage.txt
@@ -35,7 +35,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.4"
           cache: false
       - name: Run lint
         uses: golangci/golangci-lint-action@v9