ci: update buildkite tags from sandbox.jl to sandbox_capable

Author: thazhemadam

.buildkite/0_webui.yml

@@ -15,7 +15,7 @@ steps:
     command: "true"
     agents:
       queue: "juliaecosystem"
-      sandbox.jl: true
+      sandbox_capable: true
       arch: "x86_64"
 
 
@@ -31,5 +31,5 @@ steps:
           target_type: simple
     agents:
       queue: "juliaecosystem"
-      sandbox.jl: true
+      sandbox_capable: true
       arch: "x86_64"

.buildkite/launch_benchmarks.yml

@@ -1,6 +1,6 @@
 agents:
   queue: "juliaecosystem"
-  sandbox.jl: true
+  sandbox_capable: true
 
 steps:
   - label: ":runner: Dynamically launch run_tutorial.yml"

.buildkite/run_benchmark.yml

@@ -67,7 +67,7 @@ steps:
       julia --threads=auto --project=. benchmark.jl "{PATH}"
     agents:
       queue: "juliaecosystem"
-      sandbox.jl: true
+      sandbox_capable: true
       exclusive: true
       arch: "x86_64"
 
@@ -108,7 +108,7 @@ steps:
             - .buildkite/ssh_deploy.key
     agents:
       queue: "juliaecosystem"
-      sandbox.jl: true
+      sandbox_capable: true
       arch: "x86_64"
     concurrency: 1
     concurrency_group: "scimlbenchmarks/deploy"