chore(deps): update dependency go to 1.26

Author: renovate-bot

.github/workflows/generate_jsonschema/action.yaml

@@ -23,7 +23,7 @@ runs:
     - name: Setup Go for proto2jsonschema script
       uses: actions/setup-go@v5
       with:
-        go-version: "1.14"
+        go-version: "1.26"
 
     - name: Generate the JSON Schema
       run: ./scripts/gen.sh