infra: bump fuzz introspector (#10802)

This contains a minor fix in accummulated code complexity for the
annotated CFG feature, used by
https://introspector.oss-fuzz.com/api/annotated-cfg -- in some cases the
value would be 0 incorrectly.

Also includes:
- a refined definition of top-level API fra annotated-cfg extraction: 
  - PR: ossf/fuzz-introspector#1191
- fixes:
ossf/fuzz-introspector#1180 (comment)
- Extended type recognition for C/C++ projects:
  - PR: ossf/fuzz-introspector#1190
  - fixes: ossf/fuzz-introspector#1188
- Converts arg types to array of strings rather a string representation
entirely:
  - PR: ossf/fuzz-introspector#1189 
  - fixes: ossf/fuzz-introspector#1187)

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 6ca19c0035438fbc88c2e417b83c61596fa83fc1 && \
+    git checkout 051d91d586f4cfbe3ce11985706ea392b14a396b && \
     git submodule init && \
     git submodule update && \
     apt-get autoremove --purge -y git && \