infra: bump fuzz introspector (#11611)

Contains improvements in various areas, including:

- Copies more source code files such that introspector.oss-fuzz.com can
reference them
- Improvements on function signature generation

Signed-off-by: David Korczynski <[email protected]>
Co-authored-by: Oliver Chang <[email protected]>

Author: DavidKorczynski

infra/base-images/base-clang/Dockerfile

@@ -36,7 +36,7 @@ RUN apt-get update && apt-get install -y wget sudo && \
 RUN apt-get update && apt-get install -y git && \
     git clone https://github.com/ossf/fuzz-introspector.git fuzz-introspector && \
     cd fuzz-introspector && \
-    git checkout d846ce162e7fba7ec98e34248eb2f76520552940 && \
+    git checkout acc32a7ecfca4dc0446ca6aa3604adb01ee8ea7b && \
     git submodule init && \
     git submodule update && \
     apt-get autoremove --purge -y git && \