chore(deps): update go toolchain directive to v1.26.4

Author: renovate[bot]

.github/workflows/beta_release.yml

@@ -115,7 +115,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.25.11"
+          go-version: "1.26.4"
 
       - name: Setup web
         run: bash build.sh dev web

.github/workflows/build.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.25.11"
+          go-version: "1.26.4"
 
       - name: Setup web
         run: bash build.sh dev web

.github/workflows/release.yml

@@ -46,7 +46,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.25.11'
+          go-version: '1.26.4'
 
       - name: Checkout
         uses: actions/checkout@v6

.github/workflows/release_docker.yml

@@ -87,7 +87,7 @@ jobs:
 
       - uses: actions/setup-go@v6
         with:
-          go-version: '1.25.11'
+          go-version: '1.26.4'
 
       - name: Cache Musl
         id: cache-musl

.github/workflows/test_docker.yml

@@ -36,7 +36,7 @@ jobs:
 
       - uses: actions/setup-go@v6
         with:
-          go-version: '1.25.11'
+          go-version: '1.26.4'
 
       - name: Cache Musl
         id: cache-musl

go.mod

@@ -2,7 +2,7 @@ module github.com/OpenListTeam/OpenList/v4
 
 go 1.25
 
-toolchain go1.25.11
+toolchain go1.26.4
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.1