Fix #14690 (ci: update cppcheck premium version in CI) (#8492)

Author: danmar

.github/workflows/cppcheck-premium.yml

@@ -33,7 +33,7 @@ jobs:
         run: |
           premium_version=${{ inputs.premium_version }}
           if [ -z $premium_version ]; then
-            premium_version=25.8.3
+            premium_version=26.3.0
             #wget https://files.cppchecksolutions.com/devdrop/cppcheckpremium-$premium_version-amd64.tar.gz -O cppcheckpremium.tar.gz
             wget https://files.cppchecksolutions.com/$premium_version/ubuntu-24.04/cppcheckpremium-$premium_version-amd64.tar.gz -O cppcheckpremium.tar.gz
           else