Fixed used data type for setting cache key (#11972)

* Fixed used data type for setting cache key

* Removed full stop

Author: antonpirker

docs/platforms/python/tracing/instrumentation/custom-instrumentation/caches-module.mdx

@@ -45,8 +45,8 @@ with sentry_sdk.start_span(op="cache.put") as span:
     span.set_data("network.peer.address", "cache.example.com/supercache")
     span.set_data("network.peer.port", 9000)
 
-    # Add the key you want to set
-    span.set_data("cache.key", key)
+    # Add the key(s) you want to set
+    span.set_data("cache.key", [key])
 
     # Add the size of the value you stored in the cache
     span.set_data("cache.item_size", len(value))  # Warning: if value is very big this could use lots of memory
@@ -80,8 +80,8 @@ with sentry_sdk.start_span(op="cache.get") as span:
     span.set_data("network.peer.address", "cache.example.com/supercache")
     span.set_data("network.peer.port", 9000)
 
-    # Add the key you just retrieved from the cache
-    span.set_data("cache.key", key)
+    # Add the key(s) you just retrieved from the cache
+    span.set_data("cache.key", [key])
 
     if value is not None:
         # If you retrieved a value, the cache was hit

docs/platforms/ruby/common/tracing/instrumentation/custom-instrumentation/caches-module.mdx

@@ -38,8 +38,8 @@ Sentry.with_child_span(op: 'cache.put') do |span|
   span.set_data('network.peer.address', 'cache.example.com/supercache')
   span.set_data('network.peer.port', 9000)
 
-  # Add the key you want to set
-  span.set_data('cache.key', key)
+  # Add the key(s) you want to set
+  span.set_data('cache.key', [key])
 
   # Add the size of the value you stored in the cache
   span.set_data('cache.item_size', value.size)  # Warning: if value is very big this could use lots of memory
@@ -69,8 +69,8 @@ Sentry.with_child_span(op: 'cache.get') do |span|
   span.set_data('network.peer.address', 'cache.example.com/supercache')
   span.set_data('network.peer.port', 9000)
 
-  # Add the key you just retrieved from the cache
-  span.set_data('cache.key', key)
+  # Add the key(s) you just retrieved from the cache
+  span.set_data('cache.key', [key])
 
   if value
     # If you retrieved a value, the cache was hit