Correct squashfs import and fix incorrect bouncer configuration (#1138)

.bouncer.yaml

@@ -1,11 +1,13 @@
 permit:
   - BSD.*
+  - CC0.*
   - MIT.*
   - Apache.*
   - MPL.*
   - ISC
+  - WTFPL
+
 ignore-packages:
-  - .
   # packageurl-go is released under the MIT license located in the root of the repo at /mit.LICENSE
   - github.com/anchore/packageurl-go
 
@@ -49,4 +51,4 @@ ignore-packages:
   - modernc.org/libc/uuid/uuid
   - modernc.org/libc/wctype
   - modernc.org/mathutil
-  - modernc.org/memory
+  - modernc.org/memory