They were installed.
However, I just tried to install them again after your post and below the print of the messages received (confirming that the depencies were already installed) :
user1@UBUNTU-DESKTOP:~/bitcoin$ sudo apt-get install build-essential libtool autotools-dev automake pkg-config bsdmainutils python3
[sudo] password for bluefalcon:
Reading package lists... Done
Building dependency tree
Reading state information... Done
automake is already the newest version (1:1.16.1-4ubuntu6).
autotools-dev is already the newest version (20180224.1).
bsdmainutils is already the newest version (11.1.2ubuntu3).
libtool is already the newest version (2.4.6-14).
pkg-config is already the newest version (0.29.1-0ubuntu4).
python3 is already the newest version (3.8.2-0ubuntu2).
build-essential is already the newest version (12.8ubuntu1.1).
0 upgraded, 0 newly installed, 0 to remove and 22 not upgraded.
user1@UBUNTU-DESKTOP:~/bitcoin$ sudo apt-get install libevent-dev libboost-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
libboost-dev is already the newest version (1.71.0.0ubuntu2).
libboost-dev set to manually installed.
libevent-dev is already the newest version (2.1.11-stable-1).
0 upgraded, 0 newly installed, 0 to remove and 22 not upgraded.
user1@UBUNTU-DESKTOP:~/bitcoin$ sudo apt install libsqlite3-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
libsqlite3-dev is already the newest version (3.31.1-4ubuntu0.5).
0 upgraded, 0 newly installed, 0 to remove and 22 not upgraded.
user1@UBUNTU-DESKTOP:~/bitcoin$ sudo apt install libminiupnpc-dev libnatpmp-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
libminiupnpc-dev is already the newest version (2.1.20190824-0ubuntu2).
The following NEW packages will be installed:
libnatpmp-dev
0 upgraded, 1 newly installed, 0 to remove and 22 not upgraded.
Need to get 7036 B of archives.
After this operation, 30.7 kB of additional disk space will be used.
Do you want to continue? [Y/n]
y
Get:1 http://archive.ubuntu.com/ubuntu focal/main amd64 libnatpmp-dev amd64 20150609-7build1 [7036 B]
Fetched 7036 B in 1s (5178 B/s)
Selecting previously unselected package libnatpmp-dev:amd64.
(Reading database ... 357018 files and directories currently installed.)
Preparing to unpack .../libnatpmp-dev_20150609-7build1_amd64.deb ...
Unpacking libnatpmp-dev:amd64 (20150609-7build1) ...
Setting up libnatpmp-dev:amd64 (20150609-7build1) ...
user1@UBUNTU-DESKTOP:~/bitcoin$ sudo apt install systemtap-sdt-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
systemtap-sdt-dev
0 upgraded, 1 newly installed, 0 to remove and 22 not upgraded.
Need to get 16.4 kB of archives.
After this operation, 75.8 kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu focal-updates/universe amd64 systemtap-sdt-dev amd64 4.2-3ubuntu0.1 [16.4 kB]
Fetched 16.4 kB in 1s (11.1 kB/s)
Selecting previously unselected package systemtap-sdt-dev.
(Reading database ... 357022 files and directories currently installed.)
Preparing to unpack .../systemtap-sdt-dev_4.2-3ubuntu0.1_amd64.deb ...
Unpacking systemtap-sdt-dev (4.2-3ubuntu0.1) ...
Setting up systemtap-sdt-dev (4.2-3ubuntu0.1) ...
Processing triggers for man-db (2.9.1-1) ...
user1@UBUNTU-DESKTOP:~/bitcoin$ sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools
Reading package lists... Done
Building dependency tree
Reading state information... Done
qttools5-dev is already the newest version (5.12.8-0ubuntu1).
qttools5-dev-tools is already the newest version (5.12.8-0ubuntu1).
libqt5core5a is already the newest version (5.12.8+dfsg-0ubuntu2.1).
libqt5dbus5 is already the newest version (5.12.8+dfsg-0ubuntu2.1).
libqt5gui5 is already the newest version (5.12.8+dfsg-0ubuntu2.1).
0 upgraded, 0 newly installed, 0 to remove and 22 not upgraded.
I'm trying to install Bitcoin Core 22.0.