Add benchmarks for json string serialize/deserialize (#12258)

Co-authored-by: sfan5 <sfan5@live.de>

util/ci/build.sh

@@ -1,6 +1,10 @@
 #! /bin/bash -e
 
-cmake -B build -DCMAKE_BUILD_TYPE=Debug \
-	-DRUN_IN_PLACE=TRUE -DENABLE_GETTEXT=TRUE \
-	-DBUILD_SERVER=TRUE ${CMAKE_FLAGS}
+cmake -B build \
+	-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE:-Debug} \
+	-DRUN_IN_PLACE=TRUE \
+	-DENABLE_GETTEXT=${CMAKE_ENABLE_GETTEXT:-TRUE} \
+	-DBUILD_SERVER=${CMAKE_BUILD_SERVER:-TRUE} \
+	${CMAKE_FLAGS}
+
 cmake --build build --parallel $(($(nproc) + 1))

util/ci/common.sh

@@ -7,7 +7,9 @@ install_linux_deps() {
 		libhiredis-dev libogg-dev libgmp-dev libvorbis-dev libopenal-dev \
 		gettext libpq-dev libleveldb-dev libcurl4-openssl-dev libzstd-dev)
 
-	if [[ "$1" == "--old-irr" ]]; then
+	if [[ "$1" == "--no-irr" ]]; then
+		shift
+	elif [[ "$1" == "--old-irr" ]]; then
 		shift
 		pkgs+=(libirrlicht-dev)
 	else