Update Unity version and license secret in workflows

Changed Unity version from 2021.3.29f1 to 2021.3.45f2 in both package and release workflows. Updated UNITY_LICENSE secret reference in package workflow to use the generic UNITY_LICENSE variable.

Author: mackysoft

.github/workflows/package.yaml

@@ -5,7 +5,7 @@ on:
   push: { branches: [main] }
 
 env:
-  UNITY_LICENSE: ${{ secrets.UNITY_LICENSE_2020 }}
+  UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
 
 jobs:
   build:
@@ -34,7 +34,7 @@ jobs:
           UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
           UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
         with:
-          unityVersion: 2021.3.29f1
+          unityVersion: 2021.3.45f2
           buildMethod: MackySoft.PackageTools.Editor.UnityPackageExporter.Export
 
       # Upload

.github/workflows/release.yaml

@@ -65,9 +65,9 @@ jobs:
     needs: [update-packagejson]
     strategy:
       matrix:
-        unity: ["2021.3.29f1"]
+        unity: ["2021.3.45f2"]
         include:
-          - unityVersion: 2021.3.29f1
+          - unityVersion: 2021.3.45f2
             license: UNITY_LICENSE
     runs-on: ubuntu-latest
     timeout-minutes: 15