ci: pin Go toolchain from go.mod and add go mod verify

Author: bfabio

.github/workflows/lint.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
         with:
-          go-version: "1.25"
+          go-version-file: go.mod
       - uses: golangci/golangci-lint-action@ba0d7d2ec06a0ea1cb5fa41b2e4a3ab91d21278a # v9.3.0
         with:
           version: v2.11.3

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
         with:
-          go-version: "1.25"
+          go-version-file: go.mod
         id: go
 
       # Needed to build multi-platform Docker images

.github/workflows/tests.yml

@@ -11,7 +11,8 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
         with:
-          go-version: "1.25"
+          go-version-file: go.mod
+      - run: go mod verify
       - run: go test -race -coverprofile=coverage.txt ./...
       - uses: golang/govulncheck-action@032d45514ae346b1db93c04b0c90b841c370344f # v1.1.0
         with: