Fix Unity versions used to run tests on CI

Author: nowsprinting

.github/workflows/test-integration.yml

@@ -40,10 +40,6 @@ jobs:
       fail-fast: false
       matrix:
         unityVersion: # Available versions see: https://game.ci/docs/docker/versions
-          - 2019.4.40f1
-          - 2020.3.49f1
-          - 2021.3.45f1
-          - 2022.3.62f1
           - 6000.0.43f1
           - 6000.0.44f1 # pin test-framework v1.5.1
           - 6000.0.59f2 # pin test-framework v1.6.0

.github/workflows/test.yml

@@ -41,10 +41,6 @@ jobs:
       fail-fast: false
       matrix:
         unityVersion: # Available versions see: https://game.ci/docs/docker/versions
-          - 2019.4.40f1
-          - 2020.3.49f1
-          - 2021.3.45f1
-          - 2022.3.62f1
           - 6000.0.43f1
           - 6000.0.44f1 # pin test-framework v1.5.1
           - 6000.0.59f2 # pin test-framework v1.6.0