meson: add install tags for udev and hwdb

Allows building and installing them individually, like
other existing components

.github/workflows/build_test.sh

@@ -135,6 +135,9 @@ $CC --version
 meson --version
 ninja --version
 
+# TODO: drop once minimum meson version is bumped to 0.62 or newer
+find . -type f -name meson.build -exec sed -i 's/install_emptydir(\(.*\), install_tag : .*)/install_emptydir(\1)/g' '{}' '+'
+
 for args in "${ARGS[@]}"; do
     SECONDS=0
 

.github/workflows/unit_tests.sh

@@ -32,6 +32,8 @@ function info() {
 }
 
 function run_meson() {
+    # TODO: drop once minimum meson version is bumped to 0.62 or newer
+    find . -type f -name meson.build -exec sed -i 's/install_emptydir(\(.*\), install_tag : .*)/install_emptydir(\1)/g' '{}' '+'
     if ! meson "$@"; then
         find . -type f -name meson-log.txt -exec cat '{}' +
         return 1