COMPILER: Updates gcc version to 13.2

Updates all instances of GCC usage to 13.2 from older versions.

Change-Id: Ifc333a954093bc8af7a0ba338fed74b6ec106c4c
Signed-off-by: Matthew Dalzell <matthew.dalzell@arm.com>
diff --git a/run-cppcheck.sh b/run-cppcheck.sh
index b2b5f68..1766047 100755
--- a/run-cppcheck.sh
+++ b/run-cppcheck.sh
@@ -43,7 +43,7 @@
 #Fail if any command exit with error.
 set -e
 
-export PATH=$PATH:$GCC_10_3_PATH
+export PATH=$PATH:$GCC_13_2_PATH
 
 RAW_OUTPUT=0