Updated google/cloud-spanner version.

skuruppu · skuruppu · commit 2e9cd51524c1 · 2020-03-17T14:17:39.000+11:00
diff --git a/spanner/composer.json b/spanner/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "google/cloud-spanner": "^1.11",
+        "google/cloud-spanner": "^1.26",
         "symfony/console": "^3.2"
     },
     "autoload": {
