build: upgrade graph-cli to 0.98 and graph-ts to 0.38

[rickstaa]

Upgrades graph-cli from 0.69 to 0.98 and graph-ts from 0.29 to 0.38 together, since 0.98's codegen emits an Int8 import that graph-ts 0.29 does not export. graph-cli 0.98 also requires an explicit immutable argument on every @entity, which is why #227 failed CI. All 52 entities get immutable: false to keep current semantics. Marking the event entities immutable is a separate indexing optimisation for later.

Also in this PR:

• Dockerfile moves to node 22, which graph-cli 0.98 requires.
• The seven harmless bumps from chore(deps): bump the minor-and-patch group with 9 updates #261 (fs-extra, ts-node, typechain, @types/mocha, hardhat-ethers, hardhat-waffle) are folded in, so that grouped PR can be closed.
• The four resolutions that only existed for graph-cli 0.69's dependencies are removed, and scoped ones are added for the vulnerable transitives 0.98 brings (glob, semver, cross-spawn, undici 7, yaml 2). See Remove the temporary yarn resolutions as their parents are upgraded #269.
• One upstream advisory with no release available is allow-listed in dependency-review, with the reasoning in a comment on that line.

The graph-ts bump moves AssemblyScript from 0.19 to 0.27. The mappings compile without changes. yarn codegen and yarn build pass. Clears the five js-yaml 3 alerts. Needs a yarn test run before merge since the mapping runtime changes. Supersedes #226, #227 and #261.

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