Address cppcheck 2.10 warnings (#2163)

Disable newer cppcheck until we can diagnose this further.
References #2162.

.github/workflows/ci.yml

@@ -101,8 +101,8 @@ jobs:
 
       - name: Cppcheck
         run: |
-          # work around resource leak false positives on older Linux distributions
-          if cppcheck --version | awk '{if ($2 <= 1.86) { exit(1) } }'; then
+          # work around resource leak false positives on older and newer Linux distributions
+          if cppcheck --version | awk '{if ($2 <= 1.86 || $2 >= 2.10) { exit(1) } }'; then
             make cppcheck
           fi