chore: update dependencies

BREAKING CHANGE: v1 CIDs now default to base32 encoding

Previous versions returned a base58 encoded string when `toString()`/
`toBaseEncodedString()` was called on a CIDv1. It now returns a base32
encoded string.

package.json

@@ -41,23 +41,23 @@
     "ethereumjs-block": "^2.2.0",
     "fs-extra": "^7.0.1",
     "ipfs-block-service": "~0.15.2",
-    "ipfs-repo": "~0.26.4",
-    "ipld-bitcoin": "~0.2.0",
-    "ipld-ethereum": "^3.0.0",
-    "ipld-git": "~0.4.0",
+    "ipfs-repo": "~0.26.5",
+    "ipld-bitcoin": "~0.3.0",
+    "ipld-ethereum": "^4.0.0",
+    "ipld-git": "~0.5.0",
     "ipld-in-memory": "^2.0.0",
-    "ipld-zcash": "~0.2.0",
+    "ipld-zcash": "~0.3.0",
     "merkle-patricia-tree": "^3.0.0",
     "multihashes": "~0.4.14",
     "rlp": "^2.2.3",
     "zcash-bitcore-lib": "~0.13.20-rc3"
   },
   "dependencies": {
-    "cids": "~0.6.0",
-    "ipfs-block": "~0.8.0",
-    "ipld-dag-cbor": "~0.14.0",
-    "ipld-dag-pb": "~0.16.0",
-    "ipld-raw": "^3.0.0",
+    "cids": "~0.7.0",
+    "ipfs-block": "~0.8.1",
+    "ipld-dag-cbor": "~0.15.0",
+    "ipld-dag-pb": "~0.17.0",
+    "ipld-raw": "^4.0.0",
     "merge-options": "^1.0.1",
     "multicodec": "~0.5.1",
     "promisify-es6": "^1.0.3",