Bump Go version to 1.26.4 (#2186)

Author: jefchien

.github/workflows/PR-build.yml

@@ -49,7 +49,7 @@ jobs:
         if: needs.changes.outputs.lint == 'true'
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
           cache: false
 
       - name: Check out code
@@ -106,7 +106,7 @@ jobs:
         if: needs.changes.outputs.build == 'true'
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
           cache: false
 
       - name: Check out code
@@ -153,7 +153,7 @@ jobs:
         if: needs.changes.outputs.build == 'true'
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
           cache: false
 
       - name: Check out code

.github/workflows/PR-test.yml

@@ -96,7 +96,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
 
   StartLocalStack:
     name: 'StartLocalStack'
@@ -139,7 +139,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
 
       - name: Install jq
         run: sudo apt-get install -y jq

.github/workflows/e2e-test.yml

@@ -110,7 +110,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
 
       - name: SetOutputs
         id: set-outputs
@@ -147,7 +147,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
 
       - name: Generate matrix
         id: set-matrix

.github/workflows/eks-performance-cluster-tests.yml

@@ -122,7 +122,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
 
       - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
         with:

.github/workflows/otel-fork-replace.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
           cache: false
       - name: Get old commit sha from go.mod
         id: get-old-commit

.github/workflows/test-artifacts.yml

@@ -153,7 +153,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
 
   GenerateTestMatrix:
     name: 'GenerateTestMatrix'
@@ -191,7 +191,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
 
       - name: Generate matrix
         id: set-matrix
@@ -314,7 +314,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
 
       - name: Configure AWS Credentials
         uses: aws-actions/configure-aws-credentials@7474bc4690e29a8392af63c5b98e7449536d5c3a # v4.3.1

.github/workflows/test-build-docker.yml

@@ -143,7 +143,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
 
       - name: Configure AWS Credentials
         uses: aws-actions/configure-aws-credentials@7474bc4690e29a8392af63c5b98e7449536d5c3a # v4.3.1

.github/workflows/test-build-packages.yml

@@ -80,7 +80,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
 
       - name: Free up disk space
         working-directory: cwa

.github/workflows/test-build.yml

@@ -75,7 +75,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
           cache: false
 
       - name: Free up disk space

.github/workflows/upload-dependencies.yml

@@ -45,7 +45,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@7b8cf10d4e4a01d4992d18a89f4d7dc5a3e6d6f4 # v4.3.0
         with:
-          go-version: ~1.25.8
+          go-version: ~1.26.4
 
       - name: Upload Dependencies and Test Repo
         env: