feat(github):Remove debian10 from our workflows

Author: jose-luis-rs

.github/actions/pre-build/action.yml

@@ -31,11 +31,9 @@ runs:
 
     - name: mount cvmfs
       run: |
-        if [ "${{ matrix.os }}" != "debian10" ]; then
-          apt-get update
-          apt-get install --fix-missing -y sudo wget gnupg lsb-release
-          sudo -H pip3 install --ignore-installed -U conan
-        fi
+        apt-get update
+        apt-get install --fix-missing -y sudo wget gnupg lsb-release
+        sudo -H pip3 install --ignore-installed -U conan
         wget https://cernbox.cern.ch/remote.php/dav/public-files/RmnTeeOZpYjCJQb/masterkey.gsi.de.pub
         mkdir -p /etc/cvmfs/keys
         mv masterkey.gsi.de.pub /etc/cvmfs/keys

.github/workflows/main.yml

@@ -92,7 +92,7 @@ jobs:
         # Here are the groups of repositories that need to be downloaded inside
         # r3broot. Each group is used by only one job.
         repos: [ r3broot, glad-tpc, sofia-frs-asy, r3broot-conan ]
-        os: [ debian10, debian11, debian12 ]
+        os: [ debian11, debian12 ]
         fsv: [ jan24p1 ]
         cpp: [ 17 ]
 
@@ -147,10 +147,6 @@ jobs:
           # build with conan package manager
           - repos: r3broot-conan
             preset: default
-            
-        exclude:
-          - repos: r3broot-conan
-            os: debian10
 
     # Jobs are run inside a Docker container, which provides different compiled
     # tool-kits for the building, such as clang-tidy and cvmfs. For more