[ci,abi] install abigail tools outside the cache

.github/workflows/abi-checker.yml

@@ -48,7 +48,6 @@ jobs:
           apt source libabigail
           cd libabigail-2.6
           dpkg-buildpackage
-          sudo dpkg -i ../*.deb
 
       - name: Save abigail tools
         id: cache-abigail-tools-save
@@ -57,18 +56,18 @@ jobs:
         with:
           key: cache-abigail-tools
           path: |
-            .
+            *.deb
 
       - name: "Prepare environment"
         run: |
           sudo apt-get update -q -y
           sudo apt-get install -q -y devscripts equivs \
             clang \
-            abigail-tools \
             pylint \
             curl
           ./packaging/scripts/prepare_deb_freerdp-nightly.sh
           sudo mk-build-deps -i
+          sudo dpkg -i *.deb
 
       - name: "Prepare configuration"
         run: |