refactor: move bincraft install to separate pre-matrix pipeline step

Adds build-all-versions-install-deps pipeline that runs once before the matrix builds, cleaning stale locks and installing bincraft to the shared cache without contention.

.crow/build-all-versions-install-deps.yaml

@@ -0,0 +1,48 @@
+when:
+  - event: manual
+    evaluate: 'task == "build-all-amd64" || task == "build-all-arm64"'
+
+skip_clone: true
+
+labels:
+  platform: linux/${ARCH}
+  agent: artemis
+
+steps:
+  - name: 'Install deps and bincraft'
+    image: reg.devxy.io/rpkgs/build-env-${OS}:${OS_VERSION}-${R_VERSION}
+    pull: true
+    environment:
+      REPO_RO_TOKEN:
+        from_secret: REPO_RO_TOKEN
+      GITHUB_PAT:
+        from_secret: GITHUB_PAT
+      R_PKG_CACHE_DIR: /mnt/cache/pkgcache
+      R_LIBS_USER: /mnt/cache/R-pkgs
+      CCACHE_DIR: /mnt/cache/ccache
+    volumes:
+      - ${ARCH}-binaries-r-dep-cache-${OS}-${OS_VERSION//./}:/mnt/cache
+    commands:
+      - rm -rf /mnt/cache/R-pkgs/00LOCK-* /mnt/cache/R-pkgs/bincraft
+      - mkdir -p /mnt/cache/pkgcache /mnt/cache/R-pkgs /mnt/cache/ccache /mnt/cache/packages
+      - git clone -q https://codefloe.com/rpkgs/bincraft.git /tmp/bincraft
+      - R -q -e 'pak::local_install("/tmp/bincraft"); packageVersion("bincraft")'
+    backend_options:
+      docker:
+        resources:
+          requests:
+            memory: 5Gi
+            cpu: 1000m
+      kubernetes:
+        resources:
+          requests:
+            memory: 5Gi
+            cpu: 1000m
+        nodeSelector:
+          kubernetes.io/arch: ${ARCH}
+          node.kubernetes.io/instance-type: ${K8S_INSTANCE_TYPE}
+        tolerations:
+          - key: 'CI'
+            operator: 'Equal'
+            value: 'true'
+            effect: 'NoSchedule'