Merge pull request #374 from agentgateway/adb-api-ref

[docs] Make Go dynamic for API docs gen

Author: artberger

.github/workflows/reference-docs.yaml

@@ -120,12 +120,6 @@ jobs:
           path: website
           fetch-depth: 0
 
-      - name: Setup Go for docs generation
-        uses: actions/setup-go@v6
-        with:
-          go-version: 1.25.7
-          cache: false
-
       - name: Checkout agentgateway source repository
         uses: actions/checkout@v4
         with:
@@ -134,6 +128,12 @@ jobs:
           path: agentgateway
           ref: ${{ matrix.ref }}
 
+      - name: Setup Go for docs generation
+        uses: actions/setup-go@v6
+        with:
+          go-version-file: agentgateway/go.mod
+          cache: false
+
       - name: Generate agentgateway API docs
         run: |
           pushd website || exit 1