[Docs] Installation docs for 1.8

Signing keys were rotated, but only for new distributions, hence 3 extra
$(lsb_release -sc).

Signed-off-by: Wojtek Porczyk <[email protected]>

Documentation/installation.rst

@@ -30,8 +30,8 @@ Debian 12
 
 ::
 
-   sudo curl -fsSLo /etc/apt/keyrings/gramine-keyring.gpg https://packages.gramineproject.io/gramine-keyring.gpg
-   echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/gramine-keyring.gpg] https://packages.gramineproject.io/ $(lsb_release -sc) main" \
+   sudo curl -fsSLo /etc/apt/keyrings/gramine-keyring-$(lsb_release -sc).gpg https://packages.gramineproject.io/gramine-keyring-$(lsb_release -sc).gpg
+   echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/gramine-keyring-$(lsb_release -sc).gpg] https://packages.gramineproject.io/ $(lsb_release -sc) main" \
    | sudo tee /etc/apt/sources.list.d/gramine.list
 
    sudo curl -fsSLo /etc/apt/keyrings/intel-sgx-deb.asc https://download.01.org/intel-sgx/sgx_repo/ubuntu/intel-sgx-deb.key
@@ -50,8 +50,8 @@ Debian 11
    echo "deb http://deb.debian.org/debian $(lsb_release -sc)-backports main" \
    | sudo tee /etc/apt/sources.list.d/backports.list
 
-   sudo curl -fsSLo /usr/share/keyrings/gramine-keyring.gpg https://packages.gramineproject.io/gramine-keyring.gpg
-   echo "deb [arch=amd64 signed-by=/usr/share/keyrings/gramine-keyring.gpg] https://packages.gramineproject.io/ $(lsb_release -sc) main" \
+   sudo curl -fsSLo /usr/share/keyrings/gramine-keyring-$(lsb_release -sc).gpg https://packages.gramineproject.io/gramine-keyring-$(lsb_release -sc).gpg
+   echo "deb [arch=amd64 signed-by=/usr/share/keyrings/gramine-keyring-$(lsb_release -sc).gpg] https://packages.gramineproject.io/ $(lsb_release -sc) main" \
    | sudo tee /etc/apt/sources.list.d/gramine.list
 
    sudo curl -fsSLo /usr/share/keyrings/intel-sgx-deb.asc https://download.01.org/intel-sgx/sgx_repo/ubuntu/intel-sgx-deb.key
@@ -61,13 +61,13 @@ Debian 11
    sudo apt-get update
    sudo apt-get install gramine
 
-Ubuntu 22.04 LTS or 20.04 LTS
+Ubuntu 24.04 LTS or 22.04 LTS
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 ::
 
-   sudo curl -fsSLo /etc/apt/keyrings/gramine-keyring.gpg https://packages.gramineproject.io/gramine-keyring.gpg
-   echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/gramine-keyring.gpg] https://packages.gramineproject.io/ $(lsb_release -sc) main" \
+   sudo curl -fsSLo /etc/apt/keyrings/gramine-keyring-$(lsb_release -sc).gpg https://packages.gramineproject.io/gramine-keyring-$(lsb_release -sc).gpg
+   echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/gramine-keyring-$(lsb_release -sc).gpg] https://packages.gramineproject.io/ $(lsb_release -sc) main" \
    | sudo tee /etc/apt/sources.list.d/gramine.list
 
    sudo curl -fsSLo /etc/apt/keyrings/intel-sgx-deb.asc https://download.01.org/intel-sgx/sgx_repo/ubuntu/intel-sgx-deb.key