fix(sdk): properly handle deletion -> creation -> deletion sequence (#213)

* fix(sdk): properly handle deletion -> creation -> deletion sequence

This commit resolves a bug that occurred when an attribute underwent a deletion, followed by creation, and then another deletion. The system would incorrectly ignore the final deletion because the attribute was mistakenly marked as newly created during the process.

* docs: fix typo

Co-authored-by: Louise Poole <louisecarmenpoole@gmail.com>

---------

Co-authored-by: zizou <111426680+flopell@users.noreply.github.com>
Co-authored-by: Louise Poole <louisecarmenpoole@gmail.com>

substreams/Cargo.lock

@@ -1682,21 +1682,6 @@ dependencies = [
  "substreams-ethereum",
 ]
 
-[[package]]
-name = "tycho-substreams"
-version = "0.2.1"
-dependencies = [
- "ethabi 18.0.0",
- "hex",
- "itertools 0.12.1",
- "num-bigint",
- "prost 0.11.9",
- "serde",
- "serde_json",
- "substreams",
- "substreams-ethereum",
-]
-
 [[package]]
 name = "tycho-substreams"
 version = "0.2.1"
@@ -1729,6 +1714,22 @@ dependencies = [
  "substreams-ethereum",
 ]
 
+[[package]]
+name = "tycho-substreams"
+version = "0.2.2"
+dependencies = [
+ "ethabi 18.0.0",
+ "hex",
+ "itertools 0.12.1",
+ "num-bigint",
+ "prost 0.11.9",
+ "rstest",
+ "serde",
+ "serde_json",
+ "substreams",
+ "substreams-ethereum",
+]
+
 [[package]]
 name = "typenum"
 version = "1.17.0"