chore: fail fast when the toml file is not Cargo.toml

Signed-off-by: Ruben Romero Montes <rromerom@redhat.com>

Author: ruromero

src/main/java/org/jboss/tools/intellij/componentanalysis/cargo/CargoCAAnnotator.java

@@ -68,6 +68,10 @@ protected String getInspectionShortName() {
 
     @Override
     protected Map<Dependency, List<PsiElement>> getDependencies(PsiFile file) {
+        if (!"Cargo.toml".equals(file.getName())) {
+            return Map.of();
+        }
+
         Map<Dependency, List<PsiElement>> resultMap = new HashMap<>();
 
         Set<String> commentIgnoredDeps = getIgnoredDependencies(file);
@@ -337,4 +341,4 @@ private void parseFlatDependencies(TomlTable table, Set<String> ignoredDeps, Map
             resultMap.computeIfAbsent(dp, k -> new LinkedList<>()).add(keyValue);
         }
     }
-}
+}