Bump actions-rs/toolchain from 1.0.6 to 1.0.7 (#349)

Bumps [actions-rs/toolchain](https://github.com/actions-rs/toolchain) from 1.0.6 to 1.0.7.
- [Release notes](https://github.com/actions-rs/toolchain/releases)
- [Changelog](https://github.com/actions-rs/toolchain/blob/master/CHANGELOG.md)
- [Commits](actions-rs/toolchain@v1.0.6...v1.0.7)

---
updated-dependencies:
- dependency-name: actions-rs/toolchain
  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>

.github/workflows/on_pr.yaml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/[email protected]
-      - uses: actions-rs/[email protected].6
+      - uses: actions-rs/[email protected].7
         with:
           profile: minimal
           toolchain: stable
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/[email protected]
-      - uses: actions-rs/[email protected].6
+      - uses: actions-rs/[email protected].7
         with:
           profile: minimal
           toolchain: stable
@@ -54,7 +54,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/[email protected]
-      - uses: actions-rs/[email protected].6
+      - uses: actions-rs/[email protected].7
         with:
           toolchain: stable
           components: clippy