chore: Fix xcframework checksum creation.

Author: iphydf

.github/workflows/deploy.yml

@@ -130,7 +130,7 @@ jobs:
         if: contains(github.ref, 'refs/tags/v')
         run: |
           tar zcf "${{ steps.get_version.outputs.release_tarball }}" toxcore-macos-${{ matrix.arch }}
-          sha256sum "${{ steps.get_version.outputs.release_tarball }}" > "${{ steps.get_version.outputs.release_tarball }}.sha256"
+          shasum -a 256 "${{ steps.get_version.outputs.release_tarball }}" > "${{ steps.get_version.outputs.release_tarball }}.sha256"
       - name: Upload to versioned release
         if: contains(github.ref, 'refs/tags/v')
         uses: ncipollo/release-action@v1
@@ -143,7 +143,7 @@ jobs:
         if: github.event_name == 'push' && github.ref == 'refs/heads/master'
         run: |
           tar zcf toxcore-nightly-macos-${{ matrix.arch }}.tar.gz toxcore-macos-${{ matrix.arch }}
-          sha256sum toxcore-nightly-macos-${{ matrix.arch }}.tar.gz > toxcore-nightly-macos-${{ matrix.arch }}.tar.gz.sha256
+          shasum -a 256 toxcore-nightly-macos-${{ matrix.arch }}.tar.gz > toxcore-nightly-macos-${{ matrix.arch }}.tar.gz.sha256
       - name: Upload to nightly release
         uses: ncipollo/release-action@v1
         if: github.event_name == 'push' && github.ref == 'refs/heads/master'
@@ -190,7 +190,7 @@ jobs:
         if: contains(github.ref, 'refs/tags/v')
         run: |
           tar zcf "${{ steps.get_version.outputs.release_tarball }}" toxcore-${{ matrix.target }}
-          sha256sum "${{ steps.get_version.outputs.release_tarball }}" > "${{ steps.get_version.outputs.release_tarball }}.sha256"
+          shasum -a 256 "${{ steps.get_version.outputs.release_tarball }}" > "${{ steps.get_version.outputs.release_tarball }}.sha256"
       - name: Upload to versioned release
         if: contains(github.ref, 'refs/tags/v')
         uses: ncipollo/release-action@v1
@@ -203,7 +203,7 @@ jobs:
         if: github.event_name == 'push' && github.ref == 'refs/heads/master'
         run: |
           tar zcf toxcore-nightly-${{ matrix.target }}.tar.gz toxcore-${{ matrix.target }}
-          sha256sum toxcore-nightly-${{ matrix.target }}.tar.gz > toxcore-nightly-${{ matrix.target }}.tar.gz.sha256
+          shasum -a 256 toxcore-nightly-${{ matrix.target }}.tar.gz > toxcore-nightly-${{ matrix.target }}.tar.gz.sha256
       - name: Upload to nightly release
         uses: ncipollo/release-action@v1
         if: github.event_name == 'push' && github.ref == 'refs/heads/master'
@@ -257,7 +257,7 @@ jobs:
         if: contains(github.ref, 'refs/tags/v')
         run: |
           cp toxcore-xcframework.tar.gz "${{ steps.get_version.outputs.release_tarball }}"
-          sha256sum "${{ steps.get_version.outputs.release_tarball }}" > "${{ steps.get_version.outputs.release_tarball }}.sha256"
+          shasum -a 256 "${{ steps.get_version.outputs.release_tarball }}" > "${{ steps.get_version.outputs.release_tarball }}.sha256"
       - name: Upload to versioned release
         if: contains(github.ref, 'refs/tags/v')
         uses: ncipollo/release-action@v1
@@ -270,7 +270,7 @@ jobs:
         if: github.event_name == 'push' && github.ref == 'refs/heads/master'
         run: |
           cp toxcore-xcframework.tar.gz toxcore-nightly-xcframework.tar.gz
-          sha256sum toxcore-nightly-xcframework.tar.gz > toxcore-nightly-xcframework.tar.gz.sha256
+          cp toxcore-xcframework.tar.gz.sha256 toxcore-nightly-xcframework.tar.gz.sha256
       - name: Upload to nightly release
         uses: ncipollo/release-action@v1
         if: github.event_name == 'push' && github.ref == 'refs/heads/master'