We need at least Solana v1.5.0

Signed-off-by: Sean Young <sean@mess.org>

.github/workflows/test.yml

@@ -99,7 +99,7 @@ jobs:
     needs: linux
     services:
       solana:
-        image: solanalabs/solana:edge
+        image: solanalabs/solana:v1.5.0
         ports:
           - 8899
           - 8900

integration/solana/simple.spec.ts

@@ -26,7 +26,7 @@ describe('Deploy solang contract and test', () => {
     });
 
     it('primitives', async function () {
-        this.timeout(50000);
+        this.timeout(100000);
 
         let conn = await establishConnection();