unblob: fix dependency install

We recently merged⁰ the Rust part of unblob (so called 'unblob-native')
into unblob and re-organized the repository structure in the process.

This broke OSS-fuzz integration for unblob since the bash script that
installs dependencies no longer lives at this address.

[0] onekey-sec/unblob#1096

projects/unblob/Dockerfile

@@ -12,9 +12,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 FROM gcr.io/oss-fuzz-base/base-builder-python
+
 RUN pip3 install --upgrade pip
+
+RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
+ENV PATH="/root/.cargo/bin:${PATH}"
+RUN rustup install stable
+RUN rustup default stable
+
 RUN git clone https://github.com/onekey-sec/unblob
-RUN unblob/unblob/install-deps.sh
+
+RUN unblob/install-deps.sh
 RUN pip install ./unblob
 
 COPY build.sh $SRC/