Upgrade shadow-cljs in examples to 3.2.0

The examples were pinned to shadow-cljs 2.25.2 (Maven) / 2.15.12 (npm)
which is incompatible with ClojureScript 1.12.42's Clojure fork of Google
Closure Library, causing "goog.reflect.cache is not a function" at runtime.

Fixes #833

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Mike Thompson

examples/flow/deps.edn

@@ -1,4 +1,4 @@
 {:deps {day8/re-frame        {:local/root "../.."}
         reagent/reagent      {:mvn/version "1.2.0"}
-        thheller/shadow-cljs {:mvn/version "2.25.2"}
+        thheller/shadow-cljs {:mvn/version "3.2.0"}
         hashp/hashp          {:mvn/version "0.2.2"}}}

examples/flow/package.json

@@ -5,7 +5,7 @@
     "release": "npx shadow-cljs release client"
   },
   "devDependencies": {
-    "shadow-cljs": "2.15.12"
+    "shadow-cljs": "3.2.0"
   },
   "dependencies": {
     "highlight.js": "11.5.1",

examples/simple/deps.edn

@@ -1,4 +1,4 @@
 {:paths ["src"]
  :deps {re-frame/re-frame      {:local/root "../.."}
         reagent/reagent        {:mvn/version "1.2.0"}
-        thheller/shadow-cljs   {:mvn/version "2.25.2"}}}
+        thheller/shadow-cljs   {:mvn/version "3.2.0"}}}

examples/simple/package.json

@@ -5,7 +5,7 @@
     "release": "npx shadow-cljs release client"
   },
   "devDependencies": {
-    "shadow-cljs": "2.15.12"
+    "shadow-cljs": "3.2.0"
   },
   "dependencies": {
     "react": "^18.2.0",

examples/todomvc/deps.edn

@@ -1,6 +1,6 @@
 {:deps {day8/re-frame              {:local/root "../.."}
         reagent/reagent            {:mvn/version "1.2.0"}
-        thheller/shadow-cljs       {:mvn/version "2.25.2"}
+        thheller/shadow-cljs       {:mvn/version "3.2.0"}
         clj-commons/secretary      {:mvn/version "1.2.4"}
         day8.re-frame/tracing      {:mvn/version "0.6.2"}
         day8.re-frame/re-frame-10x {:mvn/version "1.8.1"}}}

examples/todomvc/package.json

@@ -5,7 +5,7 @@
     "release": "npx shadow-cljs release client"
   },
   "devDependencies": {
-    "shadow-cljs": "2.15.12"
+    "shadow-cljs": "3.2.0"
   },
   "dependencies": {
     "react": "^18.2.0",