try patching fmt

rapids-cmake/cpm/patches/fix_11_0_2_unreachable_loop.diff

@@ -0,0 +1,20 @@
+diff --git a/include/fmt/base.h b/include/fmt/base.h
+index 62764942..b61c2776 100644
+--- a/include/fmt/base.h
++++ b/include/fmt/base.h
+@@ -464,6 +464,7 @@ template <typename Char> FMT_CONSTEXPR auto length(const Char* s) -> size_t {
+   return len;
+ }
+
++#pragma nv_diag_suppress 128
+ template <typename Char>
+ FMT_CONSTEXPR auto compare(const Char* s1, const Char* s2, std::size_t n)
+     -> int {
+@@ -474,6 +475,7 @@ FMT_CONSTEXPR auto compare(const Char* s1, const Char* s2, std::size_t n)
+   }
+   return 0;
+ }
++#pragma nv_diag_default 128
+
+ namespace adl {
+ using namespace std;

rapids-cmake/cpm/versions.json

@@ -26,7 +26,13 @@
     "fmt": {
       "version": "11.0.2",
       "git_url": "https://github.com/fmtlib/fmt.git",
-      "git_tag": "${version}"
+      "git_tag": "${version}",
+      "patches": [
+        {
+          "file": "fmt/fix_11_0_2_unreachable_loop.diff",
+          "issue": "fmt 11.0.2 produces a warning about an unreachable loop when compiled with nvcc"
+        }
+      ]
     },
     "GTest": {
       "version": "1.13.0",