build: split CI and go.mod version

Downstream users would like to lower the minimum required go version,
but it would be nice to test and release with the latest go. So, use a
placeholder go version file for CI.

Signed-off-by: Casey Callendrello <c1@caseyc.net>

.github/go-version

@@ -0,0 +1 @@
+1.23

.github/workflows/release.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version-file: .github/go-version
 
       - name: Build
         env:
@@ -74,7 +74,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version-file: .github/go-version
 
       - name: Build
         env:

.github/workflows/test.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: setup go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version-file: .github/go-version
       - uses: ibiqlik/action-yamllint@v3
         with:
           format: auto
@@ -32,7 +32,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version-file: .github/go-version
       - name: Check module vendoring
         run: |
           go mod tidy
@@ -47,7 +47,7 @@ jobs:
       - name: setup go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version-file: .github/go-version
       - name: Build on all supported architectures
         run: |
           set -e
@@ -75,7 +75,7 @@ jobs:
       - name: setup go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version-file: .github/go-version
       - name: Set up Go for root
         run: |
           sudo ln -sf `which go` `sudo which go` || true
@@ -106,6 +106,6 @@ jobs:
       - name: setup go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version-file: .github/go-version
       - name: test
         run: bash ./test_windows.sh