Bump sigstore/sigstore-conformance from 0.0.5 to 0.0.6 (#660)

Bumps [sigstore/sigstore-conformance](https://github.com/sigstore/sigstore-conformance) from 0.0.5 to 0.0.6.
- [Release notes](https://github.com/sigstore/sigstore-conformance/releases)
- [Commits](sigstore/sigstore-conformance@954233f...1abc82c)

---
updated-dependencies:
- dependency-name: sigstore/sigstore-conformance
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Brian DeHamer <[email protected]>

Author: dependabot[bot]

.github/workflows/conformance.yml

@@ -22,6 +22,6 @@ jobs:
       run: npm ci
     - name: Build sigstore-js
       run: npm run build
-    - uses: sigstore/sigstore-conformance@954233f9a4ea6d0b355626b283b4f837f465e4ec # v0.0.5
+    - uses: sigstore/sigstore-conformance@1abc82cdefe80bd907855d8447f903ba8b4918e0 # v0.0.6
       with:
         entrypoint: ${{ github.workspace }}/packages/conformance/bin/run