use local action for internal regression check and default to @main

Author: intelliDean

.github/workflows/performance.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Run Stylus Performance Check
-        uses: CreativesOnchain/Stylus-Trace@v1
+        uses: ./
         with:
           tx_hash: "0xaaf333656d069068844d17f175fa5b73534c0b71599100bee2153791c3e81edc"
           rpc_url: "http://localhost:8547"

README.md

@@ -165,7 +165,7 @@ You can use the [Stylus Trace Action](https://github.com/CreativesOnchain/Stylus
 
 ```yaml
 - name: Gas Regression Check
-  uses: CreativesOnchain/Stylus-Trace@v1
+  uses: CreativesOnchain/Stylus-Trace@main
   with:
     tx_hash: "0x..."
     threshold: "1.0" # Fail if gas increases by > 1%

crates/stylus-trace-studio/src/commands/ci.rs

@@ -50,7 +50,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Run Stylus Performance Check
-        uses: CreativesOnchain/Stylus-Trace@v1
+        uses: CreativesOnchain/Stylus-Trace@main
         with:
           tx_hash: "{}"
 {}          threshold: "{}"