chore: return cargo-deny (#520)

cargo-deny was updated in
EmbarkStudios/krates#66.

.github/workflows/tests_and_checks.yml

@@ -135,7 +135,6 @@ jobs:
         uses: EmbarkStudios/cargo-deny-action@v1
         with:
           command: check bans licenses sources
-        continue-on-error: true
 
   run-tests:
     needs: changes

deny.toml

@@ -197,12 +197,7 @@ unknown-git = "deny"
 # if not specified. If it is specified but empty, no registries are allowed.
 allow-registry = ["https://github.com/rust-lang/crates.io-index"]
 # List of URLs for allowed Git repositories
-allow-git = [
-  "https://github.com/zhiburt/tabled.git",
-  "https://github.com/bytecodealliance/preview2-prototyping",
-  "https://github.com/bytecodealliance/wasmtime",
-  "https://github.com/bytecodealliance/wit-bindgen",
-]
+allow-git = []
 
 #[sources.allow-org]
 # 1 or more github.com organizations to allow git sources for