downgrade away from yanked version of ppv-lite86 (#12926)

ppv-lite86 v0.2.19 was yanked.  we downgrade to v0.2.18.

Signed-off-by: Alex Leong <alex@buoyant.io>

Cargo.lock

@@ -33,7 +33,7 @@ dependencies = [
  "getrandom",
  "once_cell",
  "version_check",
- "zerocopy",
+ "zerocopy 0.7.35",
 ]
 
 [[package]]
@@ -1636,12 +1636,11 @@ checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.19"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2288c0e17cc8d342c712bb43a257a80ebffce59cdb33d5000d8348f3ec02528b"
+checksum = "dee4364d9f3b902ef14fab8a1ddffb783a1cb6b4bba3bfc1fa3922732c7de97f"
 dependencies = [
- "zerocopy",
- "zerocopy-derive",
+ "zerocopy 0.6.6",
 ]
 
 [[package]]
@@ -2767,14 +2766,34 @@ version = "0.52.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
 
+[[package]]
+name = "zerocopy"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "854e949ac82d619ee9a14c66a1b674ac730422372ccb759ce0c39cabcf2bf8e6"
+dependencies = [
+ "byteorder",
+ "zerocopy-derive 0.6.6",
+]
+
 [[package]]
 name = "zerocopy"
 version = "0.7.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
 dependencies = [
- "byteorder",
- "zerocopy-derive",
+ "zerocopy-derive 0.7.35",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "125139de3f6b9d625c39e2efdd73d41bdac468ccd556556440e322be0e1bbd91"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.66",
 ]
 
 [[package]]

deny.toml

@@ -21,7 +21,6 @@ allow = [
     "BSD-3-Clause",
     "ISC",
     "MIT",
-    "Unicode-3.0",
     "Unicode-DFS-2016",
 ]
 deny = []