Recover from panics from the stdlib when cataloging malformed binaries (#663)

* recover from panics in stdlib binary parsing

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* add CLI test to cover regression case

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

test/cli/test-fixtures/image-bad-binaries/Dockerfile

@@ -0,0 +1,5 @@
+FROM debian:sid
+ADD sources.list /etc/apt/sources.list.d/sources.list
+RUN apt update -y && apt install -y dpkg-dev
+# this as a "macho-invalid" directory which is useful for testing
+RUN apt-get source -y clang-13

test/cli/test-fixtures/image-bad-binaries/sources.list

@@ -0,0 +1 @@
+deb-src http://deb.debian.org/debian sid main