chore: update Go version to 1.26.0 and task version to 3.48.0 in configuration files

Author: pmoscode

.github/workflows/go-test.yml

@@ -17,7 +17,7 @@ jobs:
 
     - uses: pnorton5432/setup-task@v1
       with:
-        task-version: 3.38.0
+        task-version: 3.48.0
 
     - uses: actions/setup-go@v6
       with:

go.mod

@@ -1,6 +1,6 @@
 module github.com/pmoscode/go-common
 
-go 1.24.0
+go 1.26.0
 
 require (
 	github.com/eclipse/paho.mqtt.golang v1.5.1