Change target Godot version to v3.5-stable

Upgrade setup-godot action from v1 -> v2 which changes default Godot
version from 3.4 -> 3.5.

.github/workflows/main.yml

@@ -209,7 +209,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Setup Godot
-      uses: lihop/setup-godot@v1
+      uses: lihop/setup-godot@v2
+      with:
+        export-templates: true
     - name: Install binary build artifacts
       uses: actions/download-artifact@v2
       with:
@@ -249,7 +251,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Setup Godot
-        uses: lihop/setup-godot@v1
+        uses: lihop/setup-godot@v2
         with:
           version: ${{ matrix.godot_version }}
           bits: ${{ matrix.bits }}

addons/godot_xterm/native/thirdparty/godot-cpp

@@ -1 +1 @@
-Subproject commit a2b2e101f840e11359821d17b027d0b4aa1d9ddc
+Subproject commit 867374da404887337909e8b7b9de5a8acbc47569

docs/README.md

@@ -91,7 +91,7 @@ Are you using GodotXterm in your project and want it listed here? Please [open a
 ## Supported Godot Versions
 
 GodotXterm aims to support the current stable release of Godot, but may lag slightly.
-Currently, Godot versions 3.4.x are supported with support for 3.5 coming soon.
+Currently, Godot versions 3.5.x and 3.4.x are supported.
 Versions 3.3.x are no longer officially supported but *may* work if the GDNative libraries are
 compiled using an older version of godot-cpp.