ci: unbreak the three red jobs (windows runner pin, rolling base pin, renamed test binary)

.github/workflows/cmake_windows.yml

@@ -39,7 +39,14 @@ jobs:
 
     - name: Install conan dependencies
       working-directory: ${{github.workspace}}/build
-      run: conan install ${{github.workspace}}/conanfile.txt -s build_type=${{env.BUILD_TYPE}} --build=missing
+      # encryption=tweetnacl swaps zeromq's default libsodium dependency for the
+      # copy bundled in libzmq. CURVE support is unchanged; what goes away is the
+      # only conan package in this graph built by msbuild instead of cmake.
+      # libsodium's hand-written .vcxproj gets PlatformToolset v145 from
+      # compiler.version=195 while vcvars lands on VCToolsVersion 14.44, and
+      # msbuild rejects the pair (MSB8052). Every cmake-built dependency is fine
+      # with the Visual Studio 18 2026 generator.
+      run: conan install ${{github.workspace}}/conanfile.txt -s build_type=${{env.BUILD_TYPE}} -o "zeromq/*:encryption=tweetnacl" --build=missing
 
     - name: Configure CMake
       shell: bash
@@ -53,4 +60,4 @@ jobs:
 
     - name: run test (Windows)
       working-directory: ${{github.workspace}}/build
-      run: $env:PATH+=";${{env.BUILD_TYPE}}"; tests/${{env.BUILD_TYPE}}/behaviortree_cpp_test.exe
+      run: $env:PATH+=";${{env.BUILD_TYPE}}"; tests/${{env.BUILD_TYPE}}/behaviortree_cpp_picknik_test.exe

.github/workflows/pixi.yaml

@@ -10,6 +10,9 @@ on:
 jobs:
   pixi_conda_build:
     strategy:
+      # Without this, a failing windows job cancels the ubuntu one mid-build and
+      # hides whatever it would have reported.
+      fail-fast: false
       matrix:
         os:
           - windows-latest
@@ -18,9 +21,10 @@ jobs:
     steps:
       # Pixi is the tool used to create/manage conda environment
       - uses: actions/checkout@v3
-      - uses: prefix-dev/setup-pixi@v0.8.1
+      # pixi.lock is format v7, which v0.40.3 cannot read.
+      - uses: prefix-dev/setup-pixi@v0.10.1
         with:
-          pixi-version: v0.40.3
+          pixi-version: v0.76.1
       - name: Build
         run: pixi run build
       - name: Run tests

.github/workflows/ros2-rolling.yaml

@@ -12,7 +12,9 @@ jobs:
     strategy:
       matrix:
         env:
-          - {ROS_DISTRO: rolling, ROS_REPO: main}
+          # rolling now targets Ubuntu 26.04 (resolute), for which packages.ros.org
+          # publishes no rolling debs yet. Pin to noble (24.04) until it does.
+          - {ROS_DISTRO: rolling, ROS_REPO: main, OS_CODE_NAME: noble}
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3