Add Reusable Workflows (11)

Signed-off-by: Will Hawkins <hawkinsw@obs.cr>

.github/workflows/main.yaml

@@ -15,5 +15,5 @@ jobs:
       # and working-directory does not apply to uses, we
       # are forced to specify calls to the CI ourselves.
       # See https://github.com/orgs/community/discussions/25742
-      - run: tree-sitter test
+      - run: /opt/hostedtoolcache/tree-sitter/cli/bin/tree-sitter test
         working-directory: ./tree-sitter-p4

.github/workflows/treesitter.yaml

@@ -18,6 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: install-treesitter
     steps:
+      - uses: actions/checkout@v2
       - run: /opt/hostedtoolcache/tree-sitter/cli/bin/tree-sitter generate
         working-directory: ./tree-sitter-p4