FIXUP: Add ca-certificates dependency for trixie/plucky

INSTALL.md

@@ -117,12 +117,12 @@ For Debian Trixie and Ubuntu Plucky (25.04), follow these instructions to
 download the PGP keys:
 
 ```bash
-sudo apt-get update && sudo apt-get install sq -y
+sudo apt-get update && sudo apt-get install sq ca-certificates -y
-mkdir -p /etc/apt/keyrings/
 sq network keyserver \
    --server hkps://keys.openpgp.org \
    search "DE28 AB24 1FA4 8260 FAC9 B8BA A7C9 B385 2260 4281" \
    --output - | sq packet dearmor fpfdz.gpg
+sudo mkdir -p /etc/apt/keyrings/
 sudo mv fpfdz.gpg /etc/apt/keyrings/fpf-apt-tools-archive-keyring.gpg
 ```
 
@@ -130,7 +130,7 @@ On other Debian-derivatives:
 
 ```sh
 sudo apt-get update && sudo apt-get install gnupg2 ca-certificates -y
-mkdir -p /etc/apt/keyrings/
+sudo mkdir -p /etc/apt/keyrings/
 sudo gpg --keyserver hkps://keys.openpgp.org \
     --no-default-keyring --keyring /etc/apt/keyrings/fpf-apt-tools-archive-keyring.gpg \
     --recv-keys "DE28 AB24 1FA4 8260 FAC9 B8BA A7C9 B385 2260 4281"