build(deps-dev): bump jest and @types/jest

Bumps [jest](https://github.com/jestjs/jest/tree/HEAD/packages/jest) and [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest). These dependencies needed to be updated together.

Updates `jest` from 29.7.0 to 30.2.0
- [Release notes](https://github.com/jestjs/jest/releases)
- [Changelog](https://github.com/jestjs/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jestjs/jest/commits/v30.2.0/packages/jest)

Updates `@types/jest` from 29.5.14 to 30.0.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/jest)

---
updated-dependencies:
- dependency-name: jest
  dependency-version: 30.2.0
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: "@types/jest"
  dependency-version: 30.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

README.md

@@ -195,7 +195,6 @@ See [Examples](examples.md) for a list of `actions/cache` implementations for us
 * [Clojure - Lein Deps](./examples.md#clojure---lein-deps)
 * [D - DUB](./examples.md#d---dub)
 * [Deno](./examples.md#deno)
-* [Docker](./examples.md#docker)
 * [Elixir - Mix](./examples.md#elixir---mix)
 * [Go - Modules](./examples.md#go---modules)
 * [Haskell - Cabal](./examples.md#haskell---cabal)

examples.md

@@ -10,7 +10,6 @@
   - [Linux](#linux)
   - [macOS](#macos)
   - [Windows](#windows-1)
-- [Docker](#docker)
 - [Elixir - Mix](#elixir---mix)
 - [Erlang - Rebar3](#erlang--rebar3)
 - [Go - Modules](#go---modules)
@@ -177,40 +176,6 @@ steps:
     key: ${{ runner.os }}-deno-${{ hashFiles('**/deps.ts') }}
 ```
 
-## Docker
-
-```yaml
-- name: Cache Docker layers
-  uses: actions/cache@v3
-  with:
-    path: /tmp/.buildx-cache
-    key: my-project-${{ matrix.arch }}-buildx-${{ hashFiles('my-directory/Dockerfile') }}
-    restore-keys: |
-      my-project-${{ matrix.arch }}-buildx-
-- name: Set up QEMU
-  uses: docker/setup-qemu-action@v3
-- name: Set up Docker Buildx
-  uses: docker/setup-buildx-action@v3
-- name: Build and Test
-  uses: docker/build-push-action@v3
-  with:
-    push: false
-    context: .
-    platforms: ${{ matrix.arch }}
-    file: my-directory/Dockerfile
-    tags: my-username/my-image:latest
-    cache-from: type=local,src=/tmp/.buildx-cache
-    cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
--
-  # Temporary workaround
-  # https://github.com/docker/build-push-action/issues/252
-  # https://github.com/moby/buildkit/issues/1896
-  name: Move cache
-  run: |
-    rm -rf /tmp/.buildx-cache
-    mv /tmp/.buildx-cache-new /tmp/.buildx-cache
-```
-
 ## Elixir - Mix
 
 ```yaml

package.json

@@ -29,7 +29,7 @@
     "@actions/io": "^2.0.0"
   },
   "devDependencies": {
-    "@types/jest": "^29.5.14",
+    "@types/jest": "^30.0.0",
     "@types/nock": "^11.1.0",
     "@types/node": "^24.1.0",
     "@typescript-eslint/eslint-plugin": "^7.2.0",
@@ -41,7 +41,7 @@
     "eslint-plugin-jest": "^27.9.0",
     "eslint-plugin-prettier": "^5.5.3",
     "eslint-plugin-simple-import-sort": "^12.1.1",
-    "jest": "^29.7.0",
+    "jest": "^30.2.0",
     "jest-circus": "^29.7.0",
     "nock": "^13.2.9",
     "prettier": "^3.6.2",