.github/workflows: Make sure to run all Go 1.19 tests

This makes sure to enable all tests to run using Go 1.19. Apparently they are checking
for only Go 1.17 which is a not so elegant solution. This is a quick-fix
to make sure that everything runs as expected.

.github/workflows/platform_tests.yml

@@ -44,19 +44,19 @@ jobs:
       uses: shogo82148/actions-goveralls@v1
       with:
         path-to-profile: coverage.out
-      if: ${{ runner.os == 'Linux' && matrix.go-version == '1.17' }}
+      if: ${{ runner.os == 'Linux' && matrix.go-version == '1.19' }}
 
     - name: Build WebAssembly binary
       env:
         GOOS: js
         GOARCH: wasm
       working-directory: cmd/fyne_demo
       run: go build
-      if: ${{ matrix.go-version == '1.17' }}
+      if: ${{ matrix.go-version == '1.19' }}
 
     - name: Build GopherJS and Wasm full website
       run: |
         go install github.com/gopherjs/gopherjs@latest
         go install ./cmd/fyne
         cd cmd/fyne_demo && fyne package --target=web
-      if: ${{ matrix.go-version == '1.17' && runner.os == 'Linux' }}
+      if: ${{ matrix.go-version == '1.19' && runner.os == 'Linux' }}