Bump pkgxdev/setup from 2 to 3

Bumps [pkgxdev/setup](https://github.com/pkgxdev/setup) from 2 to 3.
- [Release notes](https://github.com/pkgxdev/setup/releases)
- [Commits](pkgxdev/setup@v2...v3)

---
updated-dependencies:
- dependency-name: pkgxdev/setup
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/cd.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pkgxdev/setup@v2
+      - uses: pkgxdev/setup@v3
 
       - name: trawl
         run: .github/scripts/trawl.ts --out ./build

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pkgxdev/setup@v2
+      - uses: pkgxdev/setup@v3
       - run: ./mash demo test-pattern
       - run: ./mash demo test-pattern           # check cache route works too
       - run: ./mash pkgxdev/demo-test-pattern   # check fully qualified