chore: require Go 1.25 minimum (#342)

Go 1.24 is end-of-life. Bump the module's go directive to 1.25.7
(toolchain go1.25.8) and align CI with the rest of the Go repos: test
across [1.25.x, 1.26.x] and build/lint/publish on 1.26.x.

Signed-off-by: Chris Guiney <chris@guiney.net>
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: chrisguiney

.github/workflows/go-test.yml

@@ -16,7 +16,7 @@ jobs:
     name: go-test
     strategy:
       matrix:
-        go-version: [1.24.x, 1.25.x]
+        go-version: [1.25.x, 1.26.x]
         platform: [ubuntu-latest]
     runs-on: ${{ matrix.platform }}
     steps:

.github/workflows/golangci-lint.yml

@@ -20,6 +20,6 @@ jobs:
           persist-credentials: false
       - uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0 https://github.com/actions/setup-go/releases/tag/v6.0.0
         with:
-          go-version: 1.25.x
+          go-version: 1.26.x
       - name: golangci-lint
         uses: golangci/golangci-lint-action@82606bf257cbaff209d206a39f5134f0cfbfd2ee # v9.2.1 https://github.com/golangci/golangci-lint-action/releases/tag/v9.2.1

.github/workflows/nilaway.yml

@@ -20,7 +20,7 @@ jobs:
           persist-credentials: false
       - uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0 https://github.com/actions/setup-go/releases/tag/v6.0.0
         with:
-          go-version: 1.25.x
+          go-version: 1.26.x
       - name: install nilaway
         run: go install go.uber.org/nilaway/cmd/nilaway@latest
       - name: run nilaway

.github/workflows/publish.yml

@@ -63,7 +63,7 @@ jobs:
           persist-credentials: false
       - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6 https://github.com/actions/setup-go/releases/tag/v6
         with:
-          go-version: 1.24.x
+          go-version: 1.26.x
       - name: Build binary
         run: GOOS=${{ matrix.os }} GOARCH=${{ matrix.arch }} make build
       - name: Upload release asset

go.mod

@@ -1,8 +1,8 @@
 module github.com/blinklabs-io/txtop
 
-go 1.24.0
+go 1.25.7
 
-toolchain go1.24.4
+toolchain go1.25.8
 
 require (
 	github.com/blinklabs-io/cardano-models v0.7.0