Merge pull request #788 from dlevy-msft-sql/chore/remove-toolchain-pinning

chore: update toolchain from go1.26.4 to go1.26.5

Author: dlevy-msft-sql

go.mod

@@ -2,7 +2,7 @@ module github.com/microsoft/go-sqlcmd
 
 go 1.26
 
-toolchain go1.26.4
+toolchain go1.26.5
 
 require (
 	github.com/alecthomas/chroma/v2 v2.27.0