chore: update to go 1.20 (#5968)

Co-authored-by: Colin Adler <colin1adler@gmail.com>

coderd/rbac/builtin_test.go

@@ -360,6 +360,7 @@ func TestIsOrgRole(t *testing.T) {
 
 	// nolint:paralleltest
 	for _, c := range testCases {
+		c := c
 		t.Run(c.RoleName, func(t *testing.T) {
 			t.Parallel()
 			orgID, ok := rbac.IsOrgRole(c.RoleName)

coderd/rbac/regosql/compile.go

@@ -46,9 +46,9 @@ func ConvertRegoAst(cfg ConvertConfig, partial *rego.PartialQueries) (sqltypes.B
 		}
 
 		if i != 0 {
-			builder.WriteString("\n")
+			_, _ = builder.WriteString("\n")
 		}
-		builder.WriteString(q.String())
+		_, _ = builder.WriteString(q.String())
 		queries = append(queries, converted)
 	}