[3.11] Backport ABI regeneration script (#94376)

Author: pablogsal

.github/workflows/regen-abidump.sh

@@ -0,0 +1,8 @@
+set -ex
+
+export DEBIAN_FRONTEND=noninteractive
+./.github/workflows/posix-deps-apt.sh
+apt-get install -yq abigail-tools python3
+export CFLAGS="-g3 -O0"
+./configure --enable-shared && make
+make regen-abidump