Bump Scala and Node dependency versions

[adamnfish]

Routine dependency refresh across the Scala backend and the Node-based frontend/e2e tooling.

Scala

Dependency	From	To
Scala	3.3.7	3.3.8 (latest LTS patch)
sbt	1.12.5	1.12.14
AWS Java SDK	2.42.6	2.48.3
scanamo	6.0.0	7.0.0
cats-effect	3.6.3	3.7.0
circe	0.14.15	0.14.16
javalin	7.0.1	7.2.2
logback-classic	1.5.32	1.5.38
log4cats-slf4j	2.7.1	2.8.0
aws-xray-recorder-sdk-core	2.20.0	2.21.1
sbt-native-packager	1.7.4	1.11.7

Test libraries: scalatest 3.2.20, munit 1.3.4, munit-scalacheck 1.3.0, scalacheck-effect-munit 2.1.0, munit-cats-effect 2.2.0, scalacheck-1-19 3.2.20.0, cats-effect-testing-scalatest 1.8.0.

Notes:

• sbt-native-packager moved from com.typesafe.sbt to the com.github.sbt organisation; the plugin coordinate is updated accordingly.
• scanamo 6 → 7 and scalacheck-effect 1 → 2 are major bumps, but no source changes were needed.
• sbt-dynamodb stays at 2.0.3 (no newer release exists).
• aws-lambda-java-core/events, cats-core, scalacheck and scala-logging are already at their latest stable versions.

Node

• frontend: svgo ^4.0.2, partysocket ^1.3.0, lockfile refreshed (parcel/elm toolchain already at latest).
• e2e: @playwright/test ^1.61.1, @types/node ^26.1.1, typescript ^5.9.3 — deliberately staying on the TypeScript 5.x line rather than jumping to 7.x, which is the new native-compiler rewrite and felt too risky to fold into a routine bump.

Testing

• sbt test passes locally on the new versions (all modules, including the DynamoDB-backed integration suite: 50 passed, 0 failed).
• lambda/Universal/packageBin path exercised via full compile; CI packages it as usual.
• Frontend elm-test passes locally (57/57).

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