ci: add output to path

Signed-off-by: Austin Vazquez <austin.vazquez@docker.com>

Author: austinvazquez

.github/workflows/ci.yml

@@ -158,7 +158,7 @@ jobs:
             arch: arm64
 
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8  # v6.0.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Calculate kernel cache key
         id: cache-key
@@ -220,6 +220,9 @@ jobs:
           echo "Shim:"
           file _output/containerd-shim-nerdbox-v1
 
+      - name: Add _output to PATH
+        run: echo "$(pwd)/_output" >> $GITHUB_PATH
+
       - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417  # v6.3.0
         with:
           go-version-file: '.github/.tool-versions'