Cardano Updates

Signed-off-by: Chris Gianelloni <[email protected]>

Persist cabal store, package index, and dist-newstyle across builds
using BuildKit cache mounts, enabling incremental recompilation and
avoiding full dependency rebuilds on every image build.

Co-Authored-By: Claude Opus 4.6 <[email protected]>

Adds genAnyScript and genSimpleScriptInEra generators, along with
roundtrip and garbage-input property tests for SerialiseAsCBOR AnyScript.

Uses eqT to handle the existential lang in AnyPlutusScript, delegating
to the underlying Eq instances on SimpleScript and PlutusScriptInEra.
Also adds Typeable lang constraint to the AnyPlutusScript constructor.

Add HasTypeProxy and SerialiseAsCBOR instances for AnyScript era,
enabling CBOR serialisation/deserialisation of both simple and plutus
scripts using the ledger's native Script era encoding format.

Closes #1088

Signed-off-by: Chris Gianelloni <[email protected]>

Wrap connectToLocalNode in try @SomeException and introduce a unified
TxSubmitResult return type with three constructors: TxSubmitSuccess,
TxSubmitFail, and TxSubmitError. Previously, network-level errors (e.g.
BearerClosed) escaped as exceptions; they are now surfaced as TxSubmitError.

Update the cardano-rpc call site to pattern-match on TxSubmitResult
directly, removing the tryAny workaround it used to compensate for this.

Replace high-level pattern matching with raw BI.unsafeDataAsConstr,
BI.head/tail for data extraction, BI.caseList' for list traversal,
and BI.caseInteger for redeemer dispatch. Use standard Haskell
multi-way if guards instead of builtinIf pattern.

CPU: 30.4M → 11.4M (62% reduction)
MEM: 129K → 48K (63% reduction)

In Docusaurus 2, relative links like `(2023-01-05-ledger)` in blog/quarterly
posts resolved correctly. In Docusaurus 3.9, the broken-link checker validates
links not only from the post's own page but also from all generated pages that
embed the post (pagination pages like /quarterly/page/2, tag pages like
/quarterly/tags/ledger). Since those pages live at different URL paths, a
relative link like `2023-01-05-ledger` resolves to the wrong path
(e.g. /quarterly/page/2023-01-05-ledger instead of /quarterly/2023-01-05-ledger).

Fix: replace relative slugs with absolute paths (/quarterly/<slug>) so links
resolve correctly regardless of which generated page renders them.

Docusaurus 3.9.2 requires Node 20. Updates the GitHub Actions workflows
to use Node 20 and bumps actions/checkout and actions/setup-node to v4.
Updates the Nix dev shell to provide pkgs.nodejs_20 so that yarn start
works locally without flags.

Adds package-lock.json to .gitignore since the project uses Yarn
exclusively and the file was removed in the previous commit.