Move lcov test to gcc-13 to match tooling.

Author: pmienk

.github/workflows/ci.yml

@@ -41,23 +41,23 @@ jobs:
             options: "--enable-isystem"
 
           - image: ubuntu-24.04
-            config: "debug"
-            link: "static"
+            config: "release"
+            link: "dynamic"
             cc: "clang-18"
             cxx: "clang++-18"
-            flags: "--coverage -fprofile-update=atomic"
-            coverage: "lcov"
+            flags: ""
+            coverage: ""
             boost: "--build-boost"
             secp256k1: "--build-secp256k1"
             options: "--enable-isystem"
 
           - image: ubuntu-24.04
-            config: "release"
-            link: "dynamic"
+            config: "debug"
+            link: "static"
             cc: "gcc-13"
             cxx: "g++-13"
-            flags: ""
-            coverage: ""
+            flags: "--coverage -fprofile-update=atomic"
+            coverage: "lcov"
             boost: "--build-boost"
             secp256k1: "--build-secp256k1"
             options: "--enable-isystem"