GHA: Add Linux ARM32 template builds

.github/actions/setup-linux-toolchain/action.yml

@@ -17,6 +17,8 @@ runs:
         TOOLCHAIN_32_SHA=6171652abc54ef219e5187bc53660ee4e2f796f4
         TOOLCHAIN_ARM64_URL=https://github.com/godotengine/buildroot/releases/download/godot-2023.08.x-3/aarch64-godot-linux-gnu_sdk-buildroot.tar.bz2
         TOOLCHAIN_ARM64_SHA=73bed3d26b92c8b9a93c0ceb6bcce8fe567d1764
+        TOOLCHAIN_ARM32_URL=https://github.com/godotengine/buildroot/releases/download/godot-2023.08.x-3/arm-godot-linux-gnueabihf_sdk-buildroot.tar.bz2
+        TOOLCHAIN_ARM32_SHA=aa5853fd73faec3837c6127649471275d7e61cb2
 
         # ! Export variables:
         if [[ "${{ inputs.arch }}" == "x86_64" ]]; then
@@ -28,6 +30,9 @@ runs:
         elif [[ "${{ inputs.arch }}" == "arm64" ]]; then
           echo "TOOLCHAIN_URL=${TOOLCHAIN_ARM64_URL}" >> "$GITHUB_ENV"
           echo "TOOLCHAIN_SHA=${TOOLCHAIN_ARM64_SHA}" >> "$GITHUB_ENV"
+        elif [[ "${{ inputs.arch }}" == "arm32" ]]; then
+          echo "TOOLCHAIN_URL=${TOOLCHAIN_ARM32_URL}" >> "$GITHUB_ENV"
+          echo "TOOLCHAIN_SHA=${TOOLCHAIN_ARM32_SHA}" >> "$GITHUB_ENV"
         fi
 
     - name: Cache buildroot

.github/workflows/linux.yml

@@ -105,6 +105,20 @@ jobs:
             dotnet: false
             should-build: ${{ !inputs.test-build }}
 
+          # * Standard arm32
+
+          - name: Template (arm32, release)
+            target: template_release
+            arch: arm32
+            dotnet: false
+            should-build: ${{ !inputs.test-build }}
+
+          - name: Template (arm32, debug)
+            target: template_debug
+            arch: arm32
+            dotnet: false
+            should-build: ${{ !inputs.test-build }}
+
           # * .NET x86_64
 
           - name: Editor .NET (x86_64, release)
@@ -167,6 +181,20 @@ jobs:
             dotnet: true
             should-build: ${{ !inputs.test-build }}
 
+          # * .NET arm32
+
+          - name: Template .NET (arm32, release)
+            target: template_release
+            arch: arm32
+            dotnet: true
+            should-build: ${{ !inputs.test-build }}
+
+          - name: Template .NET (arm32, debug)
+            target: template_debug
+            arch: arm32
+            dotnet: true
+            should-build: ${{ !inputs.test-build }}
+
         exclude:
           - { opts: { should-build: false } }