py3-libmambapy: Cherry-pick upstream patch for -Wno-error=deprecated-declarations

Signed-off-by: dann frazier <[email protected]>

Author: dannf

py3-libmambapy.yaml

@@ -56,15 +56,17 @@ environment:
       - zstd-dev
       - zstd-static
   environment:
-    # /home/build/libmambapy/src/libmambapy/bindings/legacy.cpp:557:47: warning: 'mamba::expected_t<std::__cxx11::basic_string<char> > mamba::SubdirData::cache_path() const' is deprecated: since version 2.0 use ``valid_solv_cache`` or ``valid_json_cache`` instead [-Wdeprecated-declarations]
-    CXXFLAGS: -fPIC -Wno-error=deprecated-declarations
+    CXXFLAGS: -fPIC
 
 pipeline:
   - uses: git-checkout
     with:
       expected-commit: c809abcba67fa3a94e205552ac1a6388c1736934
       repository: https://github.com/mamba-org/mamba
       tag: libmambapy-${{package.version}}
+      cherry-picks: |
+        # It is the undescribed libmambapy/CMakeLists.txt bit we care about
+        main/50c3aae986b4c6abbbeea66c18b61afbbfb52d99: ci: Remove Conda Nightly tests (#3629)
 
   - uses: cmake/configure
     with: