chore: upgrade go and add go cache workflow (#1341)

Author: onedr0p

.github/workflows/go-mod-cache.yaml

@@ -0,0 +1,32 @@
+---
+# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
+name: Go Mod Cache
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - go.mod
+      - go.sum
+  schedule:
+    - cron: 0 0 * * 0
+  workflow_dispatch:
+
+jobs:
+  go-cache:
+    name: Go Module Cache
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Setup Go
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
+        with:
+          go-version-file: go.mod
+
+      - name: Download Go Modules
+        run: go mod download

go.mod

@@ -1,6 +1,6 @@
 module github.com/home-operations/containers
 
-go 1.25.1
+go 1.26.2
 
 require (
 	github.com/docker/go-connections v0.6.0