Add patch for tiktoken

Author: msimacek

graalpython/lib-graalpython/patches/tiktoken/metadata.toml

@@ -0,0 +1,3 @@
+[[rules]]
+version = '== 0.7.0'
+patch = 'tiktoken-0.7.0.patch'

graalpython/lib-graalpython/patches/tiktoken/tiktoken-0.7.0.patch

@@ -0,0 +1,13 @@
+diff --git a/Cargo.toml b/Cargo.toml
+index 4efb156..8ed776c 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -9,7 +9,7 @@ name = "_tiktoken"
+ crate-type = ["cdylib"]
+ 
+ [dependencies]
+-pyo3 = { version = "0.20.0", features = ["extension-module"] }
++pyo3 = { git = "https://github.com/timfel/pyo3.git", branch = "v0.20.3.graalpy", features = ["extension-module"] }
+ 
+ # tiktoken dependencies
+ fancy-regex = "0.11.0"