performance test for 2500 prepared letter requests (#354)

Author: Vlasis-Perdikidis

.gitleaksignore

@@ -23,3 +23,5 @@ e12407e09151898bfd8d049d57eee9db9977d56b:.github/copilot-instructions.md:generic
 debc75a97cfe551a69fd1e8694be483213322a9d:pact-contracts/pacts/letter-rendering/supplier-api-letter-request-prepared.json:generic-api-key:10
 777eb4047ad06b9e939a292ee18664a0ffee4f29:tests/resources/prepared-letter.json:generic-api-key:4
 4fa1923947bbff2387218d698d766cbb7c121a0f:pact-contracts/pacts/letter-rendering/supplier-api-letter-request-prepared.json:generic-api-key:10
+d005112adcfd286c3bef076214836dbb2fe8d0b5:.npmrc:npm-access-token:9
+d005112adcfd286c3bef076214836dbb2fe8d0b5:.npmrc:github-pat:7

Makefile

@@ -103,6 +103,9 @@ config:: _install-dependencies version # Configure development environment (main
 test-component:
 	(cd tests && npm install && npm run test:component)
 
+test-performance:
+	(cd tests && npm install && npm run test:performance)
+
 version:
 	rm -f .version
 	make version-create-effective-file dir=.

lambdas/letter-updates-transformer/package.json

@@ -6,7 +6,7 @@
     "@internal/helpers": "^0.1.0",
     "@nhsdigital/nhs-notify-event-schemas-supplier-api": "*",
     "aws-lambda": "^1.0.7",
-    "esbuild": "^0.24.0",
+    "esbuild": "^0.27.2",
     "pino": "^10.1.0",
     "zod": "^4.1.13"
   },

lambdas/upsert-letter/package.json

@@ -8,7 +8,7 @@
     "@nhsdigital/nhs-notify-event-schemas-supplier-api": "^1.0.8",
     "@types/aws-lambda": "^8.10.148",
     "aws-lambda": "^1.0.7",
-    "esbuild": "^0.24.0",
+    "esbuild": "^0.27.2",
     "pino": "^9.7.0",
     "zod": "^4.1.11"
   },