bump go version

Author: jedib0t

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.17
+          go-version: 1.18
 
       # Download all the tools used in the steps that follow
       - name: Set up Tools

go.mod

@@ -1,6 +1,6 @@
 module github.com/jedib0t/go-pretty/v6
 
-go 1.17
+go 1.18
 
 require (
 	github.com/mattn/go-runewidth v0.0.16