Get Bazel build working again

Author: olafurpg

.github/workflows/ci.yml

@@ -26,13 +26,20 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - run: yarn global add @bazel/bazelisk
-      - run: bazel build //... --//semanticdb-javac:enabled=true
-      - run: bazel run scip-semanticdb:bazel -- --sourceroot "$PWD"
+      - run:
+          curl -Lo bazel
+          https://github.com/bazelbuild/bazelisk/releases/download/v1.16.0/bazelisk-linux-amd64
+      - run: chmod +x bazel
+      - run: ./bazel --version
+      - run: ./bazel build //... --//semanticdb-javac:enabled=true
+      - run: ./bazel run scip-semanticdb:bazel -- --sourceroot "$PWD"
       - run: du -h index.scip
-      - run: bazel build //... --@scip_java//semanticdb-javac:enabled=true
+      - run:
+          ./../../bazel build //... --@scip_java//semanticdb-javac:enabled=true
         working-directory: examples/bazel-example
-      - run: bazel run @scip_java//scip-semanticdb:bazel -- --sourceroot "$PWD"
+      - run:
+          ./../../bazel run @scip_java//scip-semanticdb:bazel -- --sourceroot
+          "$PWD"
         working-directory: examples/bazel-example
       - run: du -h index.scip
         working-directory: examples/bazel-example