Update go version in workflow files

Author: renuka-fernando

.github/workflows/cli-release.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.25.7'
+          go-version: '1.26.1'
 
       - name: Cache Go modules
         uses: actions/cache@v4

.github/workflows/codecov.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.25.7'
+          go-version: '1.26.1'
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3

.github/workflows/copilot-setup-steps.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.25.7'
+          go-version: '1.26.1'
           cache: true
           cache-dependency-path: |
             gateway/**/go.sum

.github/workflows/platform-api-pr-check.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.25.7'
+          go-version: '1.26.1'
 
       - name: Go build
         run: go build ./cmd/main.go

.github/workflows/platform-api-release.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.25.7'
+          go-version: '1.26.1'
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3

.github/workflows/sample-service-pr-check.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.25.7'
+          go-version: '1.26.1'
 
       - name: Go build
         run: go build ./cmd/server/

.github/workflows/sample-service-release.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.25.7'
+          go-version: '1.26.1'
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3

cli/it/INTEGRATION-TESTS.md

@@ -620,7 +620,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.25.7'
+          go-version: '1.26.1'
 
       - name: Run CLI Integration Tests
         run: |

gateway/docker-compose.yaml

@@ -29,7 +29,7 @@ services:
       - "9090:9090"   # REST API
       - "9094:9092"   # Admin API
       - "18000:18000" # xDS gRPC
-      - "18001:18001"
+      - "18001:18001" # xDS gRPC
       - "9011:9091"   # Metrics
     environment:
       - APIP_GW_CONTROLLER_STORAGE_TYPE=sqlite