chore: bump foundry-rs/foundry-toolchain from 1.4.0 to 1.5.0 (#743)

Bumps [foundry-rs/foundry-toolchain](https://github.com/foundry-rs/foundry-toolchain) from 1.4.0 to 1.5.0.
- [Release notes](https://github.com/foundry-rs/foundry-toolchain/releases)
- [Changelog](https://github.com/foundry-rs/foundry-toolchain/blob/master/RELEASE.md)
- [Commits](foundry-rs/foundry-toolchain@82dee4b...50d5a89)

---
updated-dependencies:
- dependency-name: foundry-rs/foundry-toolchain
  dependency-version: 1.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -175,7 +175,7 @@ jobs:
         with:
           go-version: ${{ env.GO_VERSION }}
       - name: Install Foundry
-        uses: foundry-rs/foundry-toolchain@82dee4ba654bd2146511f85f0d013af94670c4de # v1.4.0
+        uses: foundry-rs/foundry-toolchain@50d5a8956f2e319df19e6b57539d7e2acb9f8c1e # v1.5.0
         with:
           version: ${{ env.FOUNDRY_VERSION }}
       - name: Install Geth