use version that does not result in invalid docker tag

Author: zmheiko

examples/simple/vectoradd_jax/tesseract_config.yaml

@@ -1,5 +1,5 @@
 name: vectoradd_jax
-version: "2025/02/05"
+version: "2025-02-05"
 description: |
   Tesseract that adds/subtracts two vectors. Uses jax internally.