chore: update strands-single-agent dependencies to latest versions

- strands-agents: 1.16.0 -> 1.24.0
- mcp: 1.23.1 -> 1.26.0
- bedrock-agentcore[strands-agents]: 1.0.6 -> 1.2.0

Author: David Christian

patterns/strands-single-agent/requirements.txt

@@ -1,4 +1,4 @@
 # Strands agent dependencies with pinned versions
-strands-agents==1.16.0
-mcp==1.23.1
-bedrock-agentcore[strands-agents]==1.0.6
+strands-agents==1.24.0
+mcp==1.26.0
+bedrock-agentcore[strands-agents]==1.2.0