build: update makefile for ubuntu 22.04 docker executors

* apt '—force-yes' is deprecated in the version of apt in Ubuntu 22.04
* several Ubuntu-22.04-specific packages (e.g. python3-virtualenv, libssl-dev, clang clang-format-11)
are needed in the current VPP installation as well

Type: fix

Signed-off-by: Saima Yunus <yunus.saima.99@gmail.com>
Change-Id: I96ead90152f692233da812cdc853792bedb47c3c
diff --git a/Makefile b/Makefile
index 7816338..69d7a41 100644
--- a/Makefile
+++ b/Makefile
@@ -81,7 +81,14 @@
 
 LIBFFI=libffi6 # works on all but 20.04 and debian-testing
 
-ifeq ($(OS_VERSION_ID),20.04)
+ifeq ($(OS_VERSION_ID),22.04)
+	DEB_DEPENDS += python3-virtualenv
+	DEB_DEPENDS += libssl-dev
+	DEB_DEPENDS += libelf-dev # for libbpf (af_xdp)
+	DEB_DEPENDS += clang clang-format-11
+	LIBFFI=libffi7
+	DEB_DEPENDS += enchant-2  # for docs
+else ifeq ($(OS_VERSION_ID),20.04)
 	DEB_DEPENDS += python3-virtualenv
 	DEB_DEPENDS += libssl-dev
 	DEB_DEPENDS += libelf-dev # for libbpf (af_xdp)
@@ -186,7 +193,7 @@
 
 ifeq ($(findstring y,$(UNATTENDED)),y)
 CONFIRM=-y
-FORCE=--force-yes
+FORCE=--allow-downgrades --allow-remove-essential --allow-change-held-packages
 endif
 
 TARGETS = vpp