Add version information to the act runner

.gitea/workflows/build.yaml

@@ -15,6 +15,19 @@ jobs:
         run: apt-get -yq install meson
       - name: Install build dependencies
         run: apt-get -yq install libusb-1.0-0-dev libspdlog-dev libfmt-dev libpango1.0-dev libcairo2-dev gcovr
+      - name: get build environment versions
+        run: |
+          gcc --version
+          echo "Supported c/cpp standards:\n==="
+          gcc -v --help 2> /dev/null | sed -n '/^ *-std=\([^<][^ ]\+\).*/ {s//\1/p}'
+          echo "===\nEnd supported c/cpp standards"
+          meson --version
+          ninja --version
+          apt-cache policy libpango1.0-dev
+          apt-cache policy libcairo2-dev
+          apt-cache policy libfmt-dev 
+          apt-cache policy libspdlog-dev
+          apt-cache policy libusb-1.0-0-dev
       - name: setup builddir
         run: meson setup builddir -Db_coverage=true
       - name: build all targets