add Go 1.20 to tests workflow

Author: glebarez

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go: ['1.19','1.18']
+        go: ['1.20','1.19','1.18']
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
 

.github/workflows/gorm-tests.yml

@@ -13,7 +13,7 @@ jobs:
   gorm-test:
     strategy:
       matrix:
-        go: ['1.19','1.18']
+        go: ['1.20','1.19','1.18']
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}