Update CODECOV_TOKEN handling and queue names

Author: Krastanov

.buildkite/pipeline.yml

@@ -1,8 +1,8 @@
 env:
-  CODECOV_TOKEN: 21eed320-886e-47f7-8769-21cc2f2fa89f
   JULIA_NUM_THREADS: auto
-  PYTHON: ""
-  PYCALL_DEBUG_BUILD: yes
+
+secrets:
+  CODECOV_TOKEN: CODECOV_TOKEN_qojulia
 
 steps:
   - label: "QuantumOpticsBase Tests - {{matrix.LABEL}}"
@@ -31,7 +31,7 @@ steps:
       adjustments:
         - with:
             LABEL: "JET"
-            QUEUE: default
+            QUEUE: default-queue
             JET_TEST: true
             CUDA_TEST: false
             AMDGPU_TEST: false
@@ -52,7 +52,7 @@ steps:
             OPENCL_TEST: false
         - with:
             LABEL: "OpenCL"
-            QUEUE: default
+            QUEUE: default-queue
             JET_TEST: false
             CUDA_TEST: false
             AMDGPU_TEST: false
@@ -73,4 +73,4 @@ steps:
         Pkg.test("{{matrix.PACKAGE}}");'
     matrix:
       setup:
-        PACKAGE: ["QuantumOptics", "WaveguideQED", "QuantumSymbolics"]
+        PACKAGE: ["QuantumOptics", "WaveguideQED", "QuantumSymbolics"]