feat: install gcc-12 instead of gcc-10

Author: rebornplusplus

scripts/gcc-12.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+set -eux
+
+echo "Installing gcc-12, g++-12..."
+
+apt install -y gcc-12 g++-12
+
+update-alternatives \
+	--install /usr/bin/gcc gcc /usr/bin/gcc-12 80 \
+	--slave /usr/bin/g++ g++ /usr/bin/g++-12 \
+	--slave /usr/bin/gcov gcov /usr/bin/gcov-12

scripts/gcc_10.sh

@@ -1,7 +1,7 @@
 dist_upgrade.sh
 add_repo.sh
 google_chrome.sh
-gcc_10.sh
+gcc-12.sh
 python3.10.sh
 openjdk17.sh
 openssh_server.sh