Yet another attempt to get rid of boost::optional

.clang-tidy

@@ -17,6 +17,7 @@ Checks: >
     -bugprone-incorrect-enable-if,
     -bugprone-switch-missing-default-case,
     -bugprone-empty-catch,
+    -bugprone-unchecked-optional-access,
     -clang-analyzer-*,
     -clang-diagnostic-deprecated-declarations,
     -clang-diagnostic-constant-conversion,

.github/workflows/osrm-backend.yml

@@ -211,16 +211,17 @@ jobs:
             CXXCOMPILER: clang++-15
             CUCUMBER_TIMEOUT: 60000
 
-          # - name: clang-18-debug-clang-tidy
-          #   continue-on-error: false
-          #   node: 18
-          #   runs-on: ubuntu-24.04
-          #   BUILD_TOOLS: ON
-          #   BUILD_TYPE: Debug
-          #   CCOMPILER: clang-18
-          #   CXXCOMPILER: clang++-18
-          #   CUCUMBER_TIMEOUT: 60000
-          #   ENABLE_CLANG_TIDY: ON
+          - name: clang-18-debug-clang-tidy
+            continue-on-error: false
+            node: 18
+            runs-on: ubuntu-24.04
+            BUILD_TOOLS: ON
+            BUILD_TYPE: Debug
+            CCOMPILER: clang-18
+            CXXCOMPILER: clang++-18
+            CUCUMBER_TIMEOUT: 60000
+            ENABLE_CLANG_TIDY: ON
+
 
           - name: clang-14-release
             continue-on-error: false